1001225964631 has 2 divisors, whose sum is σ = 1001225964632. Its totient is φ = 1001225964630.

The previous prime is 1001225964589. The next prime is 1001225964649. The reversal of 1001225964631 is 1364695221001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001225964631 - 2²⁷ = 1001091746903 is a prime.

It is a super-2 number, since 2×1001225964631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001225964331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500612982315 + 500612982316.

It is an arithmetic number, because the mean of its divisors is an integer number (500612982316).

Almost surely, 2^{1001225964631} is an apocalyptic number.

1001225964631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001225964631 is an equidigital number, since it uses as much as digits as its factorization.

1001225964631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1001225964631 in words is "one trillion, one billion, two hundred twenty-five million, nine hundred sixty-four thousand, six hundred thirty-one".