51305150165516 has 24 divisors (see below), whose sum is σ = 96690674230080. Its totient is φ = 23679251361792.

The previous prime is 51305150165509. The next prime is 51305150165531. The reversal of 51305150165516 is 61556105150315.

It is a super-2 number, since 2×51305150165516² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41334605 + ... + 42557723.

It is an arithmetic number, because the mean of its divisors is an integer number (4028778092920).

Almost surely, 2^{51305150165516} is an apocalyptic number.

It is an amenable number.

51305150165516 is a deficient number, since it is larger than the sum of its proper divisors (45385524064564).

51305150165516 is a wasteful number, since it uses less digits than its factorization.

51305150165516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029793 (or 2029791 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 44.

The spelling of 51305150165516 in words is "fifty-one trillion, three hundred five billion, one hundred fifty million, one hundred sixty-five thousand, five hundred sixteen".