1577157233156 has 12 divisors (see below), whose sum is σ = 2760073028160. Its totient is φ = 788564939400.

The previous prime is 1577157233137. The next prime is 1577157233173. The reversal of 1577157233156 is 6513327517751.

It is a junction number, because it is equal to n+sod(n) for n = 1577157233098 and 1577157233107.

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, 3157616 + ... + 3622823.

It is an arithmetic number, because the mean of its divisors is an integer number (230006085680).

Almost surely, 2^{1577157233156} is an apocalyptic number.

It is an amenable number.

1577157233156 is a deficient number, since it is larger than the sum of its proper divisors (1182915795004).

1577157233156 is a wasteful number, since it uses less digits than its factorization.

1577157233156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838594 (or 6838592 counting only the distinct ones).

The product of its digits is 4630500, while the sum is 53.

The spelling of 1577157233156 in words is "one trillion, five hundred seventy-seven billion, one hundred fifty-seven million, two hundred thirty-three thousand, one hundred fifty-six".