51612624642502 has 32 divisors (see below), whose sum is σ = 98158282410240. Its totient is φ = 19767987422880.

The previous prime is 51612624642499. The next prime is 51612624642529. The reversal of 51612624642502 is 20524642621615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2840218993 + ... + 2840237164.

It is an arithmetic number, because the mean of its divisors is an integer number (3067446325320).

Almost surely, 2^{51612624642502} is an apocalyptic number.

51612624642502 is a deficient number, since it is larger than the sum of its proper divisors (46545657767738).

51612624642502 is a wasteful number, since it uses less digits than its factorization.

51612624642502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680456236.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 51612624642502 in words is "fifty-one trillion, six hundred twelve billion, six hundred twenty-four million, six hundred forty-two thousand, five hundred two".