51465000850863 has 32 divisors (see below), whose sum is σ = 68885779003392. Its totient is φ = 34177393756800.

The previous prime is 51465000850847. The next prime is 51465000850877. The reversal of 51465000850863 is 36805800056415.

It is a happy number.

51465000850863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51465000850863 - 2⁴ = 51465000850847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51465000850363) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2571825528 + ... + 2571845538.

It is an arithmetic number, because the mean of its divisors is an integer number (2152680593856).

Almost surely, 2^{51465000850863} is an apocalyptic number.

51465000850863 is a deficient number, since it is larger than the sum of its proper divisors (17420778152529).

51465000850863 is a wasteful number, since it uses less digits than its factorization.

51465000850863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23375.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 51465000850863 in words is "fifty-one trillion, four hundred sixty-five billion, eight hundred fifty thousand, eight hundred sixty-three".