11312409967 has 2 divisors, whose sum is σ = 11312409968. Its totient is φ = 11312409966.

The previous prime is 11312409947. The next prime is 11312409971. The reversal of 11312409967 is 76990421311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11312409967 - 2²³ = 11304021359 is a prime.

It is a super-2 number, since 2×11312409967² (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 (11312409947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656204983 + 5656204984.

It is an arithmetic number, because the mean of its divisors is an integer number (5656204984).

Almost surely, 2^11312409967 is an apocalyptic number.

11312409967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312409967 is an equidigital number, since it uses as much as digits as its factorization.

11312409967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 11312409967 in words is "eleven billion, three hundred twelve million, four hundred nine thousand, nine hundred sixty-seven".