11787188114431 has 2 divisors, whose sum is σ = 11787188114432. Its totient is φ = 11787188114430.

The previous prime is 11787188114321. The next prime is 11787188114467. The reversal of 11787188114431 is 13441188178711.

It is a strong prime.

It is an emirp because it is prime and its reverse (13441188178711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11787188114431 - 2²⁹ = 11786651243519 is a prime.

It is a super-2 number, since 2×11787188114431² (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 (11787188117431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5893594057215 + 5893594057216.

It is an arithmetic number, because the mean of its divisors is an integer number (5893594057216).

Almost surely, 2^{11787188114431} is an apocalyptic number.

11787188114431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11787188114431 is an equidigital number, since it uses as much as digits as its factorization.

11787188114431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1204224, while the sum is 55.

The spelling of 11787188114431 in words is "eleven trillion, seven hundred eighty-seven billion, one hundred eighty-eight million, one hundred fourteen thousand, four hundred thirty-one".