116597221225 has 12 divisors (see below), whose sum is σ = 144585193500. Its totient is φ = 93274784000.

The previous prime is 116597221219. The next prime is 116597221231. The reversal of 116597221225 is 522122795611.

It is an interprime number because it is at equal distance from previous prime (116597221219) and next prime (116597221231).

It can be written as a sum of positive squares in 6 ways, for example, as 65365614889 + 51231606336 = 255667^2 + 226344^2 .

It is not a de Polignac number, because 116597221225 - 2³ = 116597221217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053525 + ... + 1158925.

It is an arithmetic number, because the mean of its divisors is an integer number (12048766125).

Almost surely, 2^116597221225 is an apocalyptic number.

It is an amenable number.

116597221225 is a deficient number, since it is larger than the sum of its proper divisors (27987972275).

116597221225 is a wasteful number, since it uses less digits than its factorization.

116597221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149660 (or 149655 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The spelling of 116597221225 in words is "one hundred sixteen billion, five hundred ninety-seven million, two hundred twenty-one thousand, two hundred twenty-five".