51150869071 has 4 divisors (see below), whose sum is σ = 51166577232. Its totient is φ = 51135160912.

The previous prime is 51150869051. The next prime is 51150869141. The reversal of 51150869071 is 17096805115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51150869071 - 2⁵ = 51150869039 is a prime.

It is a super-2 number, since 2×51150869071² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150869041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7849195 + ... + 7855708.

It is an arithmetic number, because the mean of its divisors is an integer number (12791644308).

Almost surely, 2^51150869071 is an apocalyptic number.

51150869071 is a deficient number, since it is larger than the sum of its proper divisors (15708161).

51150869071 is a wasteful number, since it uses less digits than its factorization.

51150869071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15708160.

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 51150869071 in words is "fifty-one billion, one hundred fifty million, eight hundred sixty-nine thousand, seventy-one".