51600501505 has 16 divisors (see below), whose sum is σ = 71735808384. Its totient is φ = 34898497920.

The previous prime is 51600501493. The next prime is 51600501539. The reversal of 51600501505 is 50510500615.

It is a de Polignac number, because none of the positive numbers 2^k-51600501505 is a prime.

It is a super-2 number, since 2×51600501505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 10095391 + ... + 10100500.

It is an arithmetic number, because the mean of its divisors is an integer number (4483488024).

Almost surely, 2^51600501505 is an apocalyptic number.

It is an amenable number.

51600501505 is a deficient number, since it is larger than the sum of its proper divisors (20135306879).

51600501505 is a wasteful number, since it uses less digits than its factorization.

51600501505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195976.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 51600501505 in words is "fifty-one billion, six hundred million, five hundred one thousand, five hundred five".