12953087885 has 16 divisors (see below), whose sum is σ = 15669418800. Its totient is φ = 10278973440.

The previous prime is 12953087879. The next prime is 12953087891. The reversal of 12953087885 is 58878035921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12953087879) and next prime (12953087891).

It can be written as a sum of positive squares in 8 ways, for example, as 874858084 + 12078229801 = 29578^2 + 109901^2 .

It is not a de Polignac number, because 12953087885 - 2⁴ = 12953087869 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12953087885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317555 + ... + 356015.

It is an arithmetic number, because the mean of its divisors is an integer number (979338675).

Almost surely, 2^12953087885 is an apocalyptic number.

It is an amenable number.

12953087885 is a deficient number, since it is larger than the sum of its proper divisors (2716330915).

12953087885 is a wasteful number, since it uses less digits than its factorization.

12953087885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39008.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 12953087885 in words is "twelve billion, nine hundred fifty-three million, eighty-seven thousand, eight hundred eighty-five".