1257833113068 has 72 divisors (see below), whose sum is σ = 3415398076272. Its totient is φ = 359246192256.

The previous prime is 1257833113021. The next prime is 1257833113087. The reversal of 1257833113068 is 8603113387521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1174530 + ... + 1973622.

Almost surely, 2^{1257833113068} is an apocalyptic number.

It is an amenable number.

1257833113068 is an abundant number, since it is smaller than the sum of its proper divisors (2157564963204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1257833113068 is a wasteful number, since it uses less digits than its factorization.

1257833113068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801791 (or 801782 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1257833113068 in words is "one trillion, two hundred fifty-seven billion, eight hundred thirty-three million, one hundred thirteen thousand, sixty-eight".