3851257156132 has 12 divisors (see below), whose sum is σ = 7136152965900. Its totient is φ = 1812356308736.

The previous prime is 3851257155997. The next prime is 3851257156147. The reversal of 3851257156132 is 2316517521583.

It can be written as a sum of positive squares in 2 ways, for example, as 2481809541376 + 1369447614756 = 1575376^2 + 1170234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28318067257 + ... + 28318067392.

It is an arithmetic number, because the mean of its divisors is an integer number (594679413825).

Almost surely, 2^{3851257156132} is an apocalyptic number.

It is an amenable number.

3851257156132 is a deficient number, since it is larger than the sum of its proper divisors (3284895809768).

3851257156132 is a wasteful number, since it uses less digits than its factorization.

3851257156132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56636134670 (or 56636134668 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 49.

The spelling of 3851257156132 in words is "three trillion, eight hundred fifty-one billion, two hundred fifty-seven million, one hundred fifty-six thousand, one hundred thirty-two".