15942127811 has 2 divisors, whose sum is σ = 15942127812. Its totient is φ = 15942127810.

The previous prime is 15942127769. The next prime is 15942127829. The reversal of 15942127811 is 11872124951.

15942127811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15942127811 - 2²² = 15937933507 is a prime.

It is not a weakly prime, because it can be changed into another prime (15942127711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7971063905 + 7971063906.

It is an arithmetic number, because the mean of its divisors is an integer number (7971063906).

Almost surely, 2^15942127811 is an apocalyptic number.

15942127811 is a deficient number, since it is larger than the sum of its proper divisors (1).

15942127811 is an equidigital number, since it uses as much as digits as its factorization.

15942127811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 41.

The spelling of 15942127811 in words is "fifteen billion, nine hundred forty-two million, one hundred twenty-seven thousand, eight hundred eleven".