12515654153 has 2 divisors, whose sum is σ = 12515654154. Its totient is φ = 12515654152.

The previous prime is 12515654147. The next prime is 12515654189. The reversal of 12515654153 is 35145651521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6719572729 + 5796081424 = 81973^2 + 76132^2 .

It is a cyclic number.

It is not a de Polignac number, because 12515654153 - 2⁸ = 12515653897 is a prime.

It is a super-2 number, since 2×12515654153² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12515654143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257827076 + 6257827077.

It is an arithmetic number, because the mean of its divisors is an integer number (6257827077).

Almost surely, 2^12515654153 is an apocalyptic number.

It is an amenable number.

12515654153 is a deficient number, since it is larger than the sum of its proper divisors (1).

12515654153 is an equidigital number, since it uses as much as digits as its factorization.

12515654153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90000, while the sum is 38.

The spelling of 12515654153 in words is "twelve billion, five hundred fifteen million, six hundred fifty-four thousand, one hundred fifty-three".