115556474880 has 1792 divisors, whose sum is σ = 543548620800. Its totient is φ = 22578462720.

The previous prime is 115556474879. The next prime is 115556474923. The reversal of 115556474880 is 88474655511.

115556474880 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 564 + 74 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1792).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1958584291 + ... + 1958584349.

Almost surely, 2^115556474880 is an apocalyptic number.

115556474880 is a gapful number since it is divisible by the number (10) 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 115556474880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271774310400).

115556474880 is an abundant number, since it is smaller than the sum of its proper divisors (427992145920).

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

115556474880 is a wasteful number, since it uses less digits than its factorization.

115556474880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 115556474880 in words is "one hundred fifteen billion, five hundred fifty-six million, four hundred seventy-four thousand, eight hundred eighty".