113916451117225 has 9 divisors (see below), whose sum is σ = 141256465559013. Its totient is φ = 91133118201120.

The previous prime is 113916451117213. The next prime is 113916451117237. The reversal of 113916451117225 is 522711154619311.

The square root of 113916451117225 is 10673165.

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

It is an interprime number because it is at equal distance from previous prime (113916451117213) and next prime (113916451117237).

It can be written as a sum of positive squares in 4 ways, for example, as 65262533861529 + 48653917255696 = 8078523^2 + 6975236^2 .

It is not a de Polignac number, because 113916451117225 - 2⁵ = 113916451117193 is a prime.

It is a super-2 number, since 2×113916451117225² (a number of 29 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 8 ways as a sum of consecutive naturals, for example, 52298509 + ... + 54433141.

Almost surely, 2^{113916451117225} is an apocalyptic number.

113916451117225 is the 10673165-th square number.

113916451117225 is the 5336583-rd centered octagonal number.

It is an amenable number.

113916451117225 is a deficient number, since it is larger than the sum of its proper divisors (27340014441788).

113916451117225 is an frugal number, since it uses more digits than its factorization.

113916451117225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269276 (or 2134638 counting only the distinct ones).

The product of its digits is 453600, while the sum is 49.

The spelling of 113916451117225 in words is "one hundred thirteen trillion, nine hundred sixteen billion, four hundred fifty-one million, one hundred seventeen thousand, two hundred twenty-five".