116557374025 has 9 divisors (see below), whose sum is σ = 144533260533. Its totient is φ = 93244533600.

The previous prime is 116557374007. The next prime is 116557374041. The reversal of 116557374025 is 520473755611.

The square root of 116557374025 is 341405.

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 26439735609 + 90117638416 = 162603^2 + 300196^2 .

It is not a de Polignac number, because 116557374025 - 2²³ = 116548985417 is a prime.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 1672885 + ... + 1741165.

Almost surely, 2^116557374025 is an apocalyptic number.

116557374025 is the 341405-th square number.

116557374025 is the 170703-rd centered octagonal number.

It is an amenable number.

116557374025 is a deficient number, since it is larger than the sum of its proper divisors (27975886508).

116557374025 is an frugal number, since it uses more digits than its factorization.

116557374025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136572 (or 68286 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 116557374025 in words is "one hundred sixteen billion, five hundred fifty-seven million, three hundred seventy-four thousand, twenty-five".