3157255447173 has 12 divisors (see below), whose sum is σ = 4560495675840. Its totient is φ = 2104829771496.

The previous prime is 3157255447133. The next prime is 3157255447217. The reversal of 3157255447173 is 3717445527513.

3157255447173 is a `hidden beast` number, since 3 + 1 + 5 + 7 + 25 + 5 + 447 + 173 = 666.

It is not a de Polignac number, because 3157255447173 - 2⁹ = 3157255446661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157255447133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4218190 + ... + 4909952.

It is an arithmetic number, because the mean of its divisors is an integer number (380041306320).

Almost surely, 2^{3157255447173} is an apocalyptic number.

It is an amenable number.

3157255447173 is a deficient number, since it is larger than the sum of its proper divisors (1403240228667).

3157255447173 is a wasteful number, since it uses less digits than its factorization.

3157255447173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198888 (or 1198885 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 54.

The spelling of 3157255447173 in words is "three trillion, one hundred fifty-seven billion, two hundred fifty-five million, four hundred forty-seven thousand, one hundred seventy-three".