5257645712156 has 24 divisors (see below), whose sum is σ = 9229697139936. Its totient is φ = 2620591948800.

The previous prime is 5257645712153. The next prime is 5257645712227. The reversal of 5257645712156 is 6512175467525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257645712153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7974500 + ... + 8608596.

It is an arithmetic number, because the mean of its divisors is an integer number (384570714164).

Almost surely, 2^{5257645712156} is an apocalyptic number.

It is an amenable number.

5257645712156 is a deficient number, since it is larger than the sum of its proper divisors (3972051427780).

5257645712156 is a wasteful number, since it uses less digits than its factorization.

5257645712156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640589 (or 640587 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 56.

The spelling of 5257645712156 in words is "five trillion, two hundred fifty-seven billion, six hundred forty-five million, seven hundred twelve thousand, one hundred fifty-six".