115597280016 has 135 divisors (see below), whose sum is σ = 335395378591. Its totient is φ = 37165642752.

The previous prime is 115597279969. The next prime is 115597280023. The reversal of 115597280016 is 610082795511.

The square root of 115597280016 is 339996.

It is a perfect power (a square), and thus also a powerful number.

115597280016 is a `hidden beast` number, since 1 + 1 + 559 + 7 + 2 + 80 + 0 + 16 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31905104400 + 83692175616 = 178620^2 + 289296^2 .

It is a super-2 number, since 2×115597280016² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 118318120 + ... + 118319096.

Almost surely, 2^115597280016 is an apocalyptic number.

115597280016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

115597280016 is the 339996-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115597280016

115597280016 is an abundant number, since it is smaller than the sum of its proper divisors (219798098575).

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

115597280016 is an frugal number, since it uses more digits than its factorization.

115597280016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 115597280016 in words is "one hundred fifteen billion, five hundred ninety-seven million, two hundred eighty thousand, sixteen".