12631253915 has 8 divisors (see below), whose sum is σ = 17322862560. Its totient is φ = 8661431232.

The previous prime is 12631253911. The next prime is 12631253927. The reversal of 12631253915 is 51935213621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12631253915 - 2² = 12631253911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12631253911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180446450 + ... + 180446519.

It is an arithmetic number, because the mean of its divisors is an integer number (2165357820).

Almost surely, 2^12631253915 is an apocalyptic number.

12631253915 is a deficient number, since it is larger than the sum of its proper divisors (4691608645).

12631253915 is an equidigital number, since it uses as much as digits as its factorization.

12631253915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360892981.

The product of its digits is 48600, while the sum is 38.

The spelling of 12631253915 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, nine hundred fifteen".