51352511244208 has 20 divisors (see below), whose sum is σ = 101181854783880. Its totient is φ = 25241064848384.

The previous prime is 51352511244187. The next prime is 51352511244217. The reversal of 51352511244208 is 80244211525315.

It is a super-2 number, since 2×51352511244208² (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 3 ways as a sum of consecutive naturals, for example, 27199422385 + ... + 27199424272.

It is an arithmetic number, because the mean of its divisors is an integer number (5059092739194).

Almost surely, 2^{51352511244208} is an apocalyptic number.

It is an amenable number.

51352511244208 is a deficient number, since it is larger than the sum of its proper divisors (49829343539672).

51352511244208 is a wasteful number, since it uses less digits than its factorization.

51352511244208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54398846724 (or 54398846718 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 51352511244208 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred eleven million, two hundred forty-four thousand, two hundred eight".