111142033040 has 40 divisors (see below), whose sum is σ = 258419263680. Its totient is φ = 44454398336.

The previous prime is 111142033039. The next prime is 111142033073. The reversal of 111142033040 is 40330241111.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2526917 + ... + 2570523.

It is an arithmetic number, because the mean of its divisors is an integer number (6460481592).

Almost surely, 2^111142033040 is an apocalyptic number.

111142033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111142033040 is an abundant number, since it is smaller than the sum of its proper divisors (147277230640).

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

111142033040 is a wasteful number, since it uses less digits than its factorization.

111142033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75479 (or 75473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111142033040 its reverse (40330241111), we get a palindrome (151472274151).

The spelling of 111142033040 in words is "one hundred eleven billion, one hundred forty-two million, thirty-three thousand, forty".