11426262431 has 2 divisors, whose sum is σ = 11426262432. Its totient is φ = 11426262430.

The previous prime is 11426262403. The next prime is 11426262433. The reversal of 11426262431 is 13426262411.

It is a strong prime.

It is an emirp because it is prime and its reverse (13426262411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11426262431 is a prime.

It is a super-2 number, since 2×11426262431² (a number of 21 digits) contains 22 as substring.

Together with 11426262433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11426262433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713131215 + 5713131216.

It is an arithmetic number, because the mean of its divisors is an integer number (5713131216).

Almost surely, 2^11426262431 is an apocalyptic number.

11426262431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11426262431 is an equidigital number, since it uses as much as digits as its factorization.

11426262431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The spelling of 11426262431 in words is "eleven billion, four hundred twenty-six million, two hundred sixty-two thousand, four hundred thirty-one".