12431504115 has 12 divisors (see below), whose sum is σ = 21547940544. Its totient is φ = 6630135504.

The previous prime is 12431504087. The next prime is 12431504123. The reversal of 12431504115 is 51140513421.

12431504115 is a `hidden beast` number, since 1 + 2 + 43 + 1 + 504 + 115 = 666.

It is not a de Polignac number, because 12431504115 - 2⁹ = 12431503603 is a prime.

It is a super-2 number, since 2×12431504115² (a number of 21 digits) contains 22 as substring.

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, 138127779 + ... + 138127868.

It is an arithmetic number, because the mean of its divisors is an integer number (1795661712).

Almost surely, 2^12431504115 is an apocalyptic number.

12431504115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12431504115 is a deficient number, since it is larger than the sum of its proper divisors (9116436429).

12431504115 is a wasteful number, since it uses less digits than its factorization.

12431504115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276255658 (or 276255655 counting only the distinct ones).

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

The spelling of 12431504115 in words is "twelve billion, four hundred thirty-one million, five hundred four thousand, one hundred fifteen".