116561625 has 16 divisors (see below), whose sum is σ = 193959168. Its totient is φ = 62166000.

The previous prime is 116561617. The next prime is 116561629. The reversal of 116561625 is 526165611.

It is not a de Polignac number, because 116561625 - 2³ = 116561617 is a prime.

It is a super-2 number, since 2×116561625² = 27173224845281250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116561629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155041 + ... + 155790.

It is an arithmetic number, because the mean of its divisors is an integer number (12122448).

Almost surely, 2^116561625 is an apocalyptic number.

116561625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116561625 is a deficient number, since it is larger than the sum of its proper divisors (77397543).

116561625 is an equidigital number, since it uses as much as digits as its factorization.

116561625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310849 (or 310839 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 116561625 is about 10796.3709180446. The cubic root of 116561625 is about 488.4857110341.

The spelling of 116561625 in words is "one hundred sixteen million, five hundred sixty-one thousand, six hundred twenty-five".