53111110052000 has 768 divisors, whose sum is σ = 181250800174080. Its totient is φ = 14753765376000.

The previous prime is 53111110051957. The next prime is 53111110052003. The reversal of 53111110052000 is 25001111135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (53111110052003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 115887302 + ... + 116344698.

It is an arithmetic number, because the mean of its divisors is an integer number (236003646060).

Almost surely, 2^{53111110052000} is an apocalyptic number.

53111110052000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53111110052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90625400087040).

53111110052000 is an abundant number, since it is smaller than the sum of its proper divisors (128139690122080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53111110052000 is a wasteful number, since it uses less digits than its factorization.

53111110052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457482 (or 457464 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 53111110052000 its reverse (25001111135), we get a palindrome (53136111163135).

The spelling of 53111110052000 in words is "fifty-three trillion, one hundred eleven billion, one hundred ten million, fifty-two thousand".