52615502145 has 48 divisors (see below), whose sum is σ = 96113571840. Its totient is φ = 26553284352.

The previous prime is 52615502141. The next prime is 52615502189. The reversal of 52615502145 is 54120551625.

52615502145 is a `hidden beast` number, since 5 + 2 + 6 + 1 + 5 + 502 + 145 = 666.

It is not a de Polignac number, because 52615502145 - 2² = 52615502141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52615502141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 696832 + ... + 768638.

It is an arithmetic number, because the mean of its divisors is an integer number (2002366080).

Almost surely, 2^52615502145 is an apocalyptic number.

It is an amenable number.

52615502145 is a deficient number, since it is larger than the sum of its proper divisors (43498069695).

52615502145 is a wasteful number, since it uses less digits than its factorization.

52615502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72694 (or 72691 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 52615502145 in words is "fifty-two billion, six hundred fifteen million, five hundred two thousand, one hundred forty-five".