51127264906 has 8 divisors (see below), whose sum is σ = 76823812260. Its totient is φ = 25519327488.

The previous prime is 51127264861. The next prime is 51127264931. The reversal of 51127264906 is 60946272115.

It can be written as a sum of positive squares in 2 ways, for example, as 45138826681 + 5988438225 = 212459^2 + 77385^2 .

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

It is a super-2 number, since 2×51127264906² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 22151041 + ... + 22153348.

Almost surely, 2^51127264906 is an apocalyptic number.

51127264906 is a deficient number, since it is larger than the sum of its proper divisors (25696547354).

51127264906 is a wasteful number, since it uses less digits than its factorization.

51127264906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44304968.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 51127264906 in words is "fifty-one billion, one hundred twenty-seven million, two hundred sixty-four thousand, nine hundred six".