51335081468037 has 80 divisors (see below), whose sum is σ = 79005947771520. Its totient is φ = 33197793753600.

The previous prime is 51335081468023. The next prime is 51335081468039. The reversal of 51335081468037 is 73086418053315.

51335081468037 is a `hidden beast` number, since 5 + 1 + 33 + 508 + 14 + 68 + 0 + 37 = 666.

It is not a de Polignac number, because 51335081468037 - 2⁸ = 51335081467781 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51335081468039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 723819664 + ... + 723890582.

It is an arithmetic number, because the mean of its divisors is an integer number (987574347144).

Almost surely, 2^{51335081468037} is an apocalyptic number.

It is an amenable number.

51335081468037 is a deficient number, since it is larger than the sum of its proper divisors (27670866303483).

51335081468037 is a wasteful number, since it uses less digits than its factorization.

51335081468037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72216 (or 72207 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 51335081468037 in words is "fifty-one trillion, three hundred thirty-five billion, eighty-one million, four hundred sixty-eight thousand, thirty-seven".