3156454231572 has 12 divisors (see below), whose sum is σ = 7365059873696. Its totient is φ = 1052151410520.

The previous prime is 3156454231531. The next prime is 3156454231603. The reversal of 3156454231572 is 2751324546513.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131518926304 + ... + 131518926327.

Almost surely, 2^{3156454231572} is an apocalyptic number.

It is an amenable number.

3156454231572 is an abundant number, since it is smaller than the sum of its proper divisors (4208605642124).

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

3156454231572 is a wasteful number, since it uses less digits than its factorization.

3156454231572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263037852638 (or 263037852636 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 48.

The spelling of 3156454231572 in words is "three trillion, one hundred fifty-six billion, four hundred fifty-four million, two hundred thirty-one thousand, five hundred seventy-two".