51114999589 has 4 divisors (see below), whose sum is σ = 51121045024. Its totient is φ = 51108954156.

The previous prime is 51114999583. The next prime is 51114999599. The reversal of 51114999589 is 98599941115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51114999589 - 2⁹ = 51114999077 is a prime.

It is a super-2 number, since 2×51114999589² (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 (51114999583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010017 + ... + 3026950.

It is an arithmetic number, because the mean of its divisors is an integer number (12780261256).

Almost surely, 2^51114999589 is an apocalyptic number.

It is an amenable number.

51114999589 is a deficient number, since it is larger than the sum of its proper divisors (6045435).

51114999589 is an equidigital number, since it uses as much as digits as its factorization.

51114999589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045434.

The product of its digits is 5248800, while the sum is 61.

The spelling of 51114999589 in words is "fifty-one billion, one hundred fourteen million, nine hundred ninety-nine thousand, five hundred eighty-nine".