11742863887 has 2 divisors, whose sum is σ = 11742863888. Its totient is φ = 11742863886.

The previous prime is 11742863807. The next prime is 11742863893. The reversal of 11742863887 is 78836824711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11742863887 - 2²³ = 11734475279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11742863807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5871431943 + 5871431944.

It is an arithmetic number, because the mean of its divisors is an integer number (5871431944).

Almost surely, 2^11742863887 is an apocalyptic number.

11742863887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742863887 is an equidigital number, since it uses as much as digits as its factorization.

11742863887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The spelling of 11742863887 in words is "eleven billion, seven hundred forty-two million, eight hundred sixty-three thousand, eight hundred eighty-seven".