115212304125 has 40 divisors (see below), whose sum is σ = 214789890744. Its totient is φ = 61446556800.

The previous prime is 115212304111. The next prime is 115212304133. The reversal of 115212304125 is 521403212511.

It is a happy number.

115212304125 is a `hidden beast` number, since 1 + 1 + 5 + 212 + 30 + 412 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2523856644 + 112688447481 = 50238^2 + 335691^2 .

It is not a de Polignac number, because 115212304125 - 2⁶ = 115212304061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5679372 + ... + 5699621.

Almost surely, 2^115212304125 is an apocalyptic number.

115212304125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115212304125 is a deficient number, since it is larger than the sum of its proper divisors (99577586619).

115212304125 is an equidigital number, since it uses as much as digits as its factorization.

115212304125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379020 (or 11379001 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 115212304125 its reverse (521403212511), we get a palindrome (636615516636).

The spelling of 115212304125 in words is "one hundred fifteen billion, two hundred twelve million, three hundred four thousand, one hundred twenty-five".