115534522544 has 80 divisors (see below), whose sum is σ = 264768845376. Its totient is φ = 47808921600.

The previous prime is 115534522501. The next prime is 115534522559. The reversal of 115534522544 is 445225435511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315734 + ... + 575114.

Almost surely, 2^115534522544 is an apocalyptic number.

115534522544 is a gapful number since it is divisible by the number (14) 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 115534522544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132384422688).

115534522544 is an abundant number, since it is smaller than the sum of its proper divisors (149234322832).

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

115534522544 is a wasteful number, since it uses less digits than its factorization.

115534522544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259534 (or 259528 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

The spelling of 115534522544 in words is "one hundred fifteen billion, five hundred thirty-four million, five hundred twenty-two thousand, five hundred forty-four".