51374137415 has 8 divisors (see below), whose sum is σ = 61650506400. Its totient is φ = 41098282272.

The previous prime is 51374137379. The next prime is 51374137421. The reversal of 51374137415 is 51473147315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51374137415 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144062 + ... + 351428.

It is an arithmetic number, because the mean of its divisors is an integer number (7706313300).

Almost surely, 2^51374137415 is an apocalyptic number.

51374137415 is a deficient number, since it is larger than the sum of its proper divisors (10276368985).

51374137415 is a wasteful number, since it uses less digits than its factorization.

51374137415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256921.

The product of its digits is 176400, while the sum is 41.

The spelling of 51374137415 in words is "fifty-one billion, three hundred seventy-four million, one hundred thirty-seven thousand, four hundred fifteen".