6311425536621 has 24 divisors (see below), whose sum is σ = 9127030124160. Its totient is φ = 4202761329216.

The previous prime is 6311425536593. The next prime is 6311425536641. The reversal of 6311425536621 is 1266355241136.

It is a happy number.

6311425536621 is a `hidden beast` number, since 6 + 3 + 1 + 14 + 2 + 5 + 5 + 3 + 6 + 621 = 666.

It is not a de Polignac number, because 6311425536621 - 2⁵ = 6311425536589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311425536641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28159420 + ... + 28382666.

It is an arithmetic number, because the mean of its divisors is an integer number (380292921840).

Almost surely, 2^{6311425536621} is an apocalyptic number.

It is an amenable number.

6311425536621 is a deficient number, since it is larger than the sum of its proper divisors (2815604587539).

6311425536621 is a wasteful number, since it uses less digits than its factorization.

6311425536621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226865 (or 226862 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 6311425536621 in words is "six trillion, three hundred eleven billion, four hundred twenty-five million, five hundred thirty-six thousand, six hundred twenty-one".