6450501011851 has 32 divisors (see below), whose sum is σ = 7085603952000. Its totient is φ = 5836616248320.

The previous prime is 6450501011827. The next prime is 6450501011891. The reversal of 6450501011851 is 1581101050546.

It is not a de Polignac number, because 6450501011851 - 2⁵ = 6450501011819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6450501011851.

It is not an unprimeable number, because it can be changed into a prime (6450501011821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63726741 + ... + 63827881.

It is an arithmetic number, because the mean of its divisors is an integer number (221425123500).

Almost surely, 2^{6450501011851} is an apocalyptic number.

6450501011851 is a deficient number, since it is larger than the sum of its proper divisors (635102940149).

6450501011851 is a wasteful number, since it uses less digits than its factorization.

6450501011851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101719.

The product of its (nonzero) digits is 24000, while the sum is 37.

The spelling of 6450501011851 in words is "six trillion, four hundred fifty billion, five hundred one million, eleven thousand, eight hundred fifty-one".