115521134535522 has 96 divisors (see below), whose sum is σ = 256331536471296. Its totient is φ = 37579982227200.

The previous prime is 115521134535517. The next prime is 115521134535529. The reversal of 115521134535522 is 225535431125511.

115521134535522 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 2 + 11 + 34 + 53 + 552 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (115521134535529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10636320372 + ... + 10636331232.

It is an arithmetic number, because the mean of its divisors is an integer number (2670120171576).

Almost surely, 2^{115521134535522} is an apocalyptic number.

115521134535522 is an abundant number, since it is smaller than the sum of its proper divisors (140810401935774).

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

115521134535522 is a wasteful number, since it uses less digits than its factorization.

115521134535522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176 (or 21173 counting only the distinct ones).

The product of its digits is 900000, while the sum is 45.

The spelling of 115521134535522 in words is "one hundred fifteen trillion, five hundred twenty-one billion, one hundred thirty-four million, five hundred thirty-five thousand, five hundred twenty-two".