11764427705231 has 2 divisors, whose sum is σ = 11764427705232. Its totient is φ = 11764427705230.

The previous prime is 11764427705209. The next prime is 11764427705257. The reversal of 11764427705231 is 13250772446711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11764427705231 is a prime.

It is a super-2 number, since 2×11764427705231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11764427705231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11764427705281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5882213852615 + 5882213852616.

It is an arithmetic number, because the mean of its divisors is an integer number (5882213852616).

Almost surely, 2^{11764427705231} is an apocalyptic number.

11764427705231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11764427705231 is an equidigital number, since it uses as much as digits as its factorization.

11764427705231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 11764427705231 in words is "eleven trillion, seven hundred sixty-four billion, four hundred twenty-seven million, seven hundred five thousand, two hundred thirty-one".