51605124663250 has 32 divisors (see below), whose sum is σ = 99721077041664. Its totient is φ = 19976177286000.

The previous prime is 51605124663227. The next prime is 51605124663269. The reversal of 51605124663250 is 5236642150615.

It is a self number, because there is not a number n which added to its sum of digits gives 51605124663250.

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, 3329355132 + ... + 3329370631.

It is an arithmetic number, because the mean of its divisors is an integer number (3116283657552).

Almost surely, 2^{51605124663250} is an apocalyptic number.

51605124663250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51605124663250 is a deficient number, since it is larger than the sum of its proper divisors (48115952378414).

51605124663250 is a wasteful number, since it uses less digits than its factorization.

51605124663250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658725811 (or 6658725801 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 51605124663250 in words is "fifty-one trillion, six hundred five billion, one hundred twenty-four million, six hundred sixty-three thousand, two hundred fifty".