115525554522550 has 192 divisors, whose sum is σ = 232845033535488. Its totient is φ = 42561832320000.

The previous prime is 115525554522487. The next prime is 115525554522551. The reversal of 115525554522550 is 55225455525511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115525554522551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 434891770 + ... + 435157330.

It is an arithmetic number, because the mean of its divisors is an integer number (1212734549664).

Almost surely, 2^{115525554522550} is an apocalyptic number.

115525554522550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115525554522550 is an abundant number, since it is smaller than the sum of its proper divisors (117319479012938).

115525554522550 is a wasteful number, since it uses less digits than its factorization.

115525554522550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265815 (or 265810 counting only the distinct ones).

The product of its (nonzero) digits is 12500000, while the sum is 52.

The spelling of 115525554522550 in words is "one hundred fifteen trillion, five hundred twenty-five billion, five hundred fifty-four million, five hundred twenty-two thousand, five hundred fifty".