6131451902972 has 12 divisors (see below), whose sum is σ = 11705499087576. Its totient is φ = 2787023592240.

The previous prime is 6131451902959. The next prime is 6131451903011. The reversal of 6131451902972 is 2792091541316.

It is a self number, because there is not a number n which added to its sum of digits gives 6131451902972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69675589763 + ... + 69675589850.

It is an arithmetic number, because the mean of its divisors is an integer number (975458257298).

Almost surely, 2^{6131451902972} is an apocalyptic number.

It is an amenable number.

6131451902972 is a deficient number, since it is larger than the sum of its proper divisors (5574047184604).

6131451902972 is a wasteful number, since it uses less digits than its factorization.

6131451902972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139351179628 (or 139351179626 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 6131451902972 in words is "six trillion, one hundred thirty-one billion, four hundred fifty-one million, nine hundred two thousand, nine hundred seventy-two".