11111960887 has 2 divisors, whose sum is σ = 11111960888. Its totient is φ = 11111960886.

The previous prime is 11111960831. The next prime is 11111960891. The reversal of 11111960887 is 78806911111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111960887 - 2²⁷ = 10977743159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111960687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555980443 + 5555980444.

It is an arithmetic number, because the mean of its divisors is an integer number (5555980444).

Almost surely, 2^11111960887 is an apocalyptic number.

11111960887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111960887 is an equidigital number, since it uses as much as digits as its factorization.

11111960887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 43.

The spelling of 11111960887 in words is "eleven billion, one hundred eleven million, nine hundred sixty thousand, eight hundred eighty-seven".