51418770245516 has 48 divisors (see below), whose sum is σ = 91620958162944. Its totient is φ = 25244647526016.

The previous prime is 51418770245441. The next prime is 51418770245539. The reversal of 51418770245516 is 61554207781415.

51418770245516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51418770245516² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90865445 + ... + 91429571.

It is an arithmetic number, because the mean of its divisors is an integer number (1908769961728).

Almost surely, 2^{51418770245516} is an apocalyptic number.

It is an amenable number.

51418770245516 is a deficient number, since it is larger than the sum of its proper divisors (40202187917428).

51418770245516 is a wasteful number, since it uses less digits than its factorization.

51418770245516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565590 (or 565588 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 51418770245516 in words is "fifty-one trillion, four hundred eighteen billion, seven hundred seventy million, two hundred forty-five thousand, five hundred sixteen".