11421163425631 has 2 divisors, whose sum is σ = 11421163425632. Its totient is φ = 11421163425630.

The previous prime is 11421163425599. The next prime is 11421163425731. The reversal of 11421163425631 is 13652436112411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11421163425631 - 2⁵ = 11421163425599 is a prime.

It is a super-2 number, since 2×11421163425631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421163425731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710581712815 + 5710581712816.

It is an arithmetic number, because the mean of its divisors is an integer number (5710581712816).

Almost surely, 2^{11421163425631} is an apocalyptic number.

11421163425631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421163425631 is an equidigital number, since it uses as much as digits as its factorization.

11421163425631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The spelling of 11421163425631 in words is "eleven trillion, four hundred twenty-one billion, one hundred sixty-three million, four hundred twenty-five thousand, six hundred thirty-one".