51420353015 has 16 divisors (see below), whose sum is σ = 63702036480. Its totient is φ = 39804838560.

The previous prime is 51420352993. The next prime is 51420353051. The reversal of 51420353015 is 51035302415.

It is not a de Polignac number, because 51420353015 - 2⁸ = 51420352759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2279522 + ... + 2301968.

It is an arithmetic number, because the mean of its divisors is an integer number (3981377280).

Almost surely, 2^51420353015 is an apocalyptic number.

51420353015 is a deficient number, since it is larger than the sum of its proper divisors (12281683465).

51420353015 is a wasteful number, since it uses less digits than its factorization.

51420353015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37262.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 51420353015 in words is "fifty-one billion, four hundred twenty million, three hundred fifty-three thousand, fifteen".