51013319999976 has 96 divisors (see below), whose sum is σ = 138692104967520. Its totient is φ = 16939119600000.

The previous prime is 51013319999933. The next prime is 51013319999977. The reversal of 51013319999976 is 67999991331015.

It is a happy number.

51013319999976 is a `hidden beast` number, since 51 + 0 + 1 + 331 + 9 + 99 + 99 + 76 = 666.

51013319999976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (51013319999977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65857326 + ... + 66627426.

It is an arithmetic number, because the mean of its divisors is an integer number (1444709426745).

Almost surely, 2^{51013319999976} is an apocalyptic number.

It is an amenable number.

51013319999976 is an abundant number, since it is smaller than the sum of its proper divisors (87678784967544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51013319999976 is a wasteful number, since it uses less digits than its factorization.

51013319999976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773647 (or 773640 counting only the distinct ones).

The product of its (nonzero) digits is 111602610, while the sum is 72.

The spelling of 51013319999976 in words is "fifty-one trillion, thirteen billion, three hundred nineteen million, nine hundred ninety-nine thousand, nine hundred seventy-six".