115943655025 has 81 divisors (see below), whose sum is σ = 163056482337. Its totient is φ = 81721200000.

The previous prime is 115943655007. The next prime is 115943655029. The reversal of 115943655025 is 520556349511.

The square root of 115943655025 is 340505.

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 48802553569 + 67141101456 = 220913^2 + 259116^2 .

It is not a de Polignac number, because 115943655025 - 2¹⁷ = 115943523953 is a prime.

It is a super-2 number, since 2×115943655025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115943655029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 767838700 + ... + 767838850.

Almost surely, 2^115943655025 is an apocalyptic number.

115943655025 is the 340505-th square number.

115943655025 is the 170253-rd centered octagonal number.

It is an amenable number.

115943655025 is a deficient number, since it is larger than the sum of its proper divisors (47112827312).

115943655025 is an equidigital number, since it uses as much as digits as its factorization.

115943655025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

It can be divided in two parts, 1159436 and 55025, that added together give a triangular number (1214461 = T₁₅₅₈).

The spelling of 115943655025 in words is "one hundred fifteen billion, nine hundred forty-three million, six hundred fifty-five thousand, twenty-five".