11655955080031 has 2 divisors, whose sum is σ = 11655955080032. Its totient is φ = 11655955080030.

The previous prime is 11655955079947. The next prime is 11655955080043. The reversal of 11655955080031 is 13008055955611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13008055955611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11655955080031 - 2⁷ = 11655955079903 is a prime.

It is a super-2 number, since 2×11655955080031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11655955080331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827977540015 + 5827977540016.

It is an arithmetic number, because the mean of its divisors is an integer number (5827977540016).

Almost surely, 2^{11655955080031} is an apocalyptic number.

11655955080031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655955080031 is an equidigital number, since it uses as much as digits as its factorization.

11655955080031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 49.

The spelling of 11655955080031 in words is "eleven trillion, six hundred fifty-five billion, nine hundred fifty-five million, eighty thousand, thirty-one".