1557657080312 has 32 divisors (see below), whose sum is σ = 2930266138800. Its totient is φ = 776255387904.

The previous prime is 1557657080303. The next prime is 1557657080347. The reversal of 1557657080312 is 2130807567551.

It is a super-2 number, since 2×1557657080312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639043 + ... + 4963469.

Almost surely, 2^{1557657080312} is an apocalyptic number.

It is an amenable number.

1557657080312 is a deficient number, since it is larger than the sum of its proper divisors (1372609058488).

1557657080312 is a wasteful number, since it uses less digits than its factorization.

1557657080312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326415 (or 326411 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 1557657080312 in words is "one trillion, five hundred fifty-seven billion, six hundred fifty-seven million, eighty thousand, three hundred twelve".