3129573881225 has 12 divisors (see below), whose sum is σ = 4233459941520. Its totient is φ = 2276053731600.

The previous prime is 3129573881197. The next prime is 3129573881299. The reversal of 3129573881225 is 5221883759213.

It is not a de Polignac number, because 3129573881225 - 2¹⁰ = 3129573880201 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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, 5690134055 + ... + 5690134604.

It is an arithmetic number, because the mean of its divisors is an integer number (352788328460).

Almost surely, 2^{3129573881225} is an apocalyptic number.

It is an amenable number.

3129573881225 is a deficient number, since it is larger than the sum of its proper divisors (1103886060295).

3129573881225 is a wasteful number, since it uses less digits than its factorization.

3129573881225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380268680 (or 11380268675 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 56.

The spelling of 3129573881225 in words is "three trillion, one hundred twenty-nine billion, five hundred seventy-three million, eight hundred eighty-one thousand, two hundred twenty-five".