3157144664905 has 32 divisors (see below), whose sum is σ = 4724390930688. Its totient is φ = 1967684140800.

The previous prime is 3157144664837. The next prime is 3157144664911. The reversal of 3157144664905 is 5094664417513.

It is not a de Polignac number, because 3157144664905 - 2¹¹ = 3157144662857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027999 + ... + 2714971.

It is an arithmetic number, because the mean of its divisors is an integer number (147637216584).

Almost surely, 2^{3157144664905} is an apocalyptic number.

3157144664905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3157144664905 is a deficient number, since it is larger than the sum of its proper divisors (1567246265783).

3157144664905 is a wasteful number, since it uses less digits than its factorization.

3157144664905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691857.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 3157144664905 in words is "three trillion, one hundred fifty-seven billion, one hundred forty-four million, six hundred sixty-four thousand, nine hundred five".