15631465404272 has 40 divisors (see below), whose sum is σ = 31893547075200. Its totient is φ = 7401223184832.

The previous prime is 15631465404251. The next prime is 15631465404287. The reversal of 15631465404272 is 27240456413651.

It is a self number, because there is not a number n which added to its sum of digits gives 15631465404272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10240772 + ... + 11667747.

It is an arithmetic number, because the mean of its divisors is an integer number (797338676880).

Almost surely, 2^{15631465404272} is an apocalyptic number.

It is an amenable number.

15631465404272 is an abundant number, since it is smaller than the sum of its proper divisors (16262081670928).

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

15631465404272 is a wasteful number, since it uses less digits than its factorization.

15631465404272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21910893 (or 21910887 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 15631465404272 in words is "fifteen trillion, six hundred thirty-one billion, four hundred sixty-five million, four hundred four thousand, two hundred seventy-two".