3121563525496 has 32 divisors (see below), whose sum is σ = 6303264100560. Its totient is φ = 1440697174272.

The previous prime is 3121563525491. The next prime is 3121563525497. The reversal of 3121563525496 is 6945253651213.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121563525491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6850551 + ... + 7291993.

Almost surely, 2^{3121563525496} is an apocalyptic number.

It is an amenable number.

3121563525496 is an abundant number, since it is smaller than the sum of its proper divisors (3181700575064).

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

3121563525496 is a wasteful number, since it uses less digits than its factorization.

3121563525496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509455 (or 509451 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 52.

The spelling of 3121563525496 in words is "three trillion, one hundred twenty-one billion, five hundred sixty-three million, five hundred twenty-five thousand, four hundred ninety-six".