115970215936 has 117 divisors (see below), whose sum is σ = 247146068271. Its totient is φ = 54399860736.

The previous prime is 115970215909. The next prime is 115970215951. The reversal of 115970215936 is 639512079511.

It is a happy number.

The square root of 115970215936 is 340544.

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

It can be written as a sum of positive squares in 4 ways, for example, as 18426433536 + 97543782400 = 135744^2 + 312320^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115970215936.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 370511716 + ... + 370512028.

Almost surely, 2^115970215936 is an apocalyptic number.

115970215936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

115970215936 is the 340544-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115970215936

115970215936 is an abundant number, since it is smaller than the sum of its proper divisors (131175852335).

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

115970215936 is an frugal number, since it uses more digits than its factorization.

115970215936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 49.

Multiplying 115970215936 by its sum of digits (49), we get a square (5682540580864 = 2383808²).

The spelling of 115970215936 in words is "one hundred fifteen billion, nine hundred seventy million, two hundred fifteen thousand, nine hundred thirty-six".