51515127298 has 16 divisors (see below), whose sum is σ = 77435804160. Its totient is φ = 25703233056.

The previous prime is 51515127277. The next prime is 51515127337. The reversal of 51515127298 is 89272151515.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 2993643 + ... + 3010801.

It is an arithmetic number, because the mean of its divisors is an integer number (4839737760).

Almost surely, 2^51515127298 is an apocalyptic number.

51515127298 is a deficient number, since it is larger than the sum of its proper divisors (25920676862).

51515127298 is a wasteful number, since it uses less digits than its factorization.

51515127298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20241.

The product of its digits is 252000, while the sum is 46.

The spelling of 51515127298 in words is "fifty-one billion, five hundred fifteen million, one hundred twenty-seven thousand, two hundred ninety-eight".