2131886815624 has 32 divisors (see below), whose sum is σ = 4023657714240. Its totient is φ = 1058930107200.

The previous prime is 2131886815561. The next prime is 2131886815631. The reversal of 2131886815624 is 4265186881312.

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, 254044 + ... + 2080459.

It is an arithmetic number, because the mean of its divisors is an integer number (125739303570).

Almost surely, 2^{2131886815624} is an apocalyptic number.

It is an amenable number.

2131886815624 is a deficient number, since it is larger than the sum of its proper divisors (1891770898616).

2131886815624 is a wasteful number, since it uses less digits than its factorization.

2131886815624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335261 (or 2335257 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The spelling of 2131886815624 in words is "two trillion, one hundred thirty-one billion, eight hundred eighty-six million, eight hundred fifteen thousand, six hundred twenty-four".