51412424502521 has 8 divisors (see below), whose sum is σ = 51634134456000. Its totient is φ = 51191167482000.

The previous prime is 51412424502503. The next prime is 51412424502541. The reversal of 51412424502521 is 12520542421415.

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

It is a cyclic number.

It is not a de Polignac number, because 51412424502521 - 2²² = 51412420308217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51412424502541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113005730 + ... + 113459771.

It is an arithmetic number, because the mean of its divisors is an integer number (6454266807000).

Almost surely, 2^{51412424502521} is an apocalyptic number.

It is an amenable number.

51412424502521 is a deficient number, since it is larger than the sum of its proper divisors (221709953479).

51412424502521 is a wasteful number, since it uses less digits than its factorization.

51412424502521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226466479.

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 51412424502521 its reverse (12520542421415), we get a palindrome (63932966923936).

The spelling of 51412424502521 in words is "fifty-one trillion, four hundred twelve billion, four hundred twenty-four million, five hundred two thousand, five hundred twenty-one".