51715417401 has 24 divisors (see below), whose sum is σ = 77904712704. Its totient is φ = 33020801280.

The previous prime is 51715417399. The next prime is 51715417427. The reversal of 51715417401 is 10471451715.

51715417401 is a `hidden beast` number, since 5 + 1 + 71 + 541 + 7 + 40 + 1 = 666.

It is not a de Polignac number, because 51715417401 - 2¹ = 51715417399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51715417451) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 928401 + ... + 982526.

It is an arithmetic number, because the mean of its divisors is an integer number (3246029696).

Almost surely, 2^51715417401 is an apocalyptic number.

It is an amenable number.

51715417401 is a deficient number, since it is larger than the sum of its proper divisors (26189295303).

51715417401 is a wasteful number, since it uses less digits than its factorization.

51715417401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911061 (or 1911058 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The spelling of 51715417401 in words is "fifty-one billion, seven hundred fifteen million, four hundred seventeen thousand, four hundred one".