116393557225 has 27 divisors (see below), whose sum is σ = 158667111799. Its totient is φ = 84636213200.

The previous prime is 116393557213. The next prime is 116393557271. The reversal of 116393557225 is 522755393611.

The square root of 116393557225 is 341165.

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

It can be written as a sum of positive squares in only one way, i.e., 41901680601 + 74491876624 = 204699^2 + 272932^2 .

It is not a de Polignac number, because 116393557225 - 2¹³ = 116393549033 is a prime.

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, 18760974 + ... + 18767176.

Almost surely, 2^116393557225 is an apocalyptic number.

116393557225 is the 341165-th square number.

116393557225 is the 170583-rd centered octagonal number.

It is an amenable number.

116393557225 is a deficient number, since it is larger than the sum of its proper divisors (42273554574).

116393557225 is an frugal number, since it uses more digits than its factorization.

116393557225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 6219 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 49.

Multiplying 116393557225 by its sum of digits (49), we get a square (5703284304025 = 2388155²).

The spelling of 116393557225 in words is "one hundred sixteen billion, three hundred ninety-three million, five hundred fifty-seven thousand, two hundred twenty-five".