11722542631 has 2 divisors, whose sum is σ = 11722542632. Its totient is φ = 11722542630.

The previous prime is 11722542589. The next prime is 11722542673. The reversal of 11722542631 is 13624522711.

It is a balanced prime because it is at equal distance from previous prime (11722542589) and next prime (11722542673).

It is a cyclic number.

It is not a de Polignac number, because 11722542631 - 2¹⁵ = 11722509863 is a prime.

It is a super-2 number, since 2×11722542631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11722542331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861271315 + 5861271316.

It is an arithmetic number, because the mean of its divisors is an integer number (5861271316).

Almost surely, 2^11722542631 is an apocalyptic number.

11722542631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11722542631 is an equidigital number, since it uses as much as digits as its factorization.

11722542631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The spelling of 11722542631 in words is "eleven billion, seven hundred twenty-two million, five hundred forty-two thousand, six hundred thirty-one".