51515014152 has 64 divisors (see below), whose sum is σ = 153585146880. Its totient is φ = 14078636352.

The previous prime is 51515014121. The next prime is 51515014163. The reversal of 51515014152 is 25141051515.

51515014152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6662158 + ... + 6669885.

It is an arithmetic number, because the mean of its divisors is an integer number (2399767920).

Almost surely, 2^51515014152 is an apocalyptic number.

It is an amenable number.

51515014152 is an abundant number, since it is smaller than the sum of its proper divisors (102070132728).

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

51515014152 is a wasteful number, since it uses less digits than its factorization.

51515014152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332082 (or 13332078 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 51515014152 its reverse (25141051515), we get a palindrome (76656065667).

The spelling of 51515014152 in words is "fifty-one billion, five hundred fifteen million, fourteen thousand, one hundred fifty-two".