51591114914 has 8 divisors (see below), whose sum is σ = 77388141468. Its totient is φ = 25795067760.

The previous prime is 51591114889. The next prime is 51591114931. The reversal of 51591114914 is 41941119515.

It can be written as a sum of positive squares in 2 ways, for example, as 47556705625 + 4034409289 = 218075^2 + 63517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94757 + ... + 334904.

Almost surely, 2^51591114914 is an apocalyptic number.

51591114914 is a deficient number, since it is larger than the sum of its proper divisors (25797026554).

51591114914 is a wasteful number, since it uses less digits than its factorization.

51591114914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489700.

The product of its digits is 32400, while the sum is 41.

The spelling of 51591114914 in words is "fifty-one billion, five hundred ninety-one million, one hundred fourteen thousand, nine hundred fourteen".