11655114235591 has 2 divisors, whose sum is σ = 11655114235592. Its totient is φ = 11655114235590.

The previous prime is 11655114235573. The next prime is 11655114235649. The reversal of 11655114235591 is 19553241155611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11655114235591 is a prime.

It is a super-2 number, since 2×11655114235591² (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 (11655114235511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827557117795 + 5827557117796.

It is an arithmetic number, because the mean of its divisors is an integer number (5827557117796).

Almost surely, 2^{11655114235591} is an apocalyptic number.

11655114235591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655114235591 is an equidigital number, since it uses as much as digits as its factorization.

11655114235591 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11655114235591 in words is "eleven trillion, six hundred fifty-five billion, one hundred fourteen million, two hundred thirty-five thousand, five hundred ninety-one".