1557730674112 has 14 divisors (see below), whose sum is σ = 3091121806568. Its totient is φ = 778865337024.

The previous prime is 1557730674013. The next prime is 1557730674113. The reversal of 1557730674112 is 2114760377551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1557730674113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12169770828 + ... + 12169770955.

Almost surely, 2^{1557730674112} is an apocalyptic number.

It is an amenable number.

1557730674112 is a deficient number, since it is larger than the sum of its proper divisors (1533391132456).

1557730674112 is an equidigital number, since it uses as much as digits as its factorization.

1557730674112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24339541795 (or 24339541785 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 1557730674112 in words is "one trillion, five hundred fifty-seven billion, seven hundred thirty million, six hundred seventy-four thousand, one hundred twelve".