51612132435651 has 48 divisors (see below), whose sum is σ = 79812771168000. Its totient is φ = 32041387546560.

The previous prime is 51612132435601. The next prime is 51612132435701. The reversal of 51612132435651 is 15653423121615.

It is a happy number.

51612132435651 is a `hidden beast` number, since 5 + 1 + 6 + 12 + 1 + 32 + 43 + 565 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (51612132435601) and next prime (51612132435701).

It is not a de Polignac number, because 51612132435651 - 2¹⁰ = 51612132434627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51612132435597 and 51612132435606.

It is not an unprimeable number, because it can be changed into a prime (51612132435601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101028681 + ... + 101538261.

It is an arithmetic number, because the mean of its divisors is an integer number (1662766066000).

Almost surely, 2^{51612132435651} is an apocalyptic number.

51612132435651 is a deficient number, since it is larger than the sum of its proper divisors (28200638732349).

51612132435651 is a wasteful number, since it uses less digits than its factorization.

51612132435651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519704 (or 519701 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 51612132435651 in words is "fifty-one trillion, six hundred twelve billion, one hundred thirty-two million, four hundred thirty-five thousand, six hundred fifty-one".