51150151016505 has 48 divisors (see below), whose sum is σ = 93452200283520. Its totient is φ = 25809502811904.

The previous prime is 51150151016443. The next prime is 51150151016539. The reversal of 51150151016505 is 50561015105115.

51150151016505 is a `hidden beast` number, since 5 + 115 + 0 + 15 + 10 + 16 + 505 = 666.

It is not a de Polignac number, because 51150151016505 - 2²³ = 51150142627897 is a prime.

It is a super-2 number, since 2×51150151016505² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51150151016505.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39623644 + ... + 40894173.

It is an arithmetic number, because the mean of its divisors is an integer number (1946920839240).

Almost surely, 2^{51150151016505} is an apocalyptic number.

It is an amenable number.

51150151016505 is a deficient number, since it is larger than the sum of its proper divisors (42302049267015).

51150151016505 is a wasteful number, since it uses less digits than its factorization.

51150151016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80518590 (or 80518587 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 51150151016505 in words is "fifty-one trillion, one hundred fifty billion, one hundred fifty-one million, sixteen thousand, five hundred five".