5631515121600 has 126 divisors (see below), whose sum is σ = 20015734456640. Its totient is φ = 1501737361920.

The previous prime is 5631515121599. The next prime is 5631515121629. The reversal of 5631515121600 is 61215151365.

5631515121600 is a `hidden beast` number, since 5 + 6 + 3 + 15 + 15 + 1 + 21 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 195524320 + ... + 195553119.

Almost surely, 2^{5631515121600} is an apocalyptic number.

5631515121600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5631515121600 is an abundant number, since it is smaller than the sum of its proper divisors (14384219335040).

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

5631515121600 is a wasteful number, since it uses less digits than its factorization.

5631515121600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391077467 (or 391077449 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 5631515121600 in words is "five trillion, six hundred thirty-one billion, five hundred fifteen million, one hundred twenty-one thousand, six hundred".