11811310967 has 2 divisors, whose sum is σ = 11811310968. Its totient is φ = 11811310966.

The previous prime is 11811310939. The next prime is 11811310981. The reversal of 11811310967 is 76901311811.

It is a strong prime.

It is an emirp because it is prime and its reverse (76901311811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11811310967 - 2²⁸ = 11542875511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11811310967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11811310937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905655483 + 5905655484.

It is an arithmetic number, because the mean of its divisors is an integer number (5905655484).

Almost surely, 2^11811310967 is an apocalyptic number.

11811310967 is a deficient number, since it is larger than the sum of its proper divisors (1).

11811310967 is an equidigital number, since it uses as much as digits as its factorization.

11811310967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 11811310967 in words is "eleven billion, eight hundred eleven million, three hundred ten thousand, nine hundred sixty-seven".