11339999987 has 2 divisors, whose sum is σ = 11339999988. Its totient is φ = 11339999986.

The previous prime is 11339999963. The next prime is 11339999989. The reversal of 11339999987 is 78999993311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11339999987 - 2⁸ = 11339999731 is a prime.

Together with 11339999989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11339999989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5669999993 + 5669999994.

It is an arithmetic number, because the mean of its divisors is an integer number (5669999994).

Almost surely, 2^11339999987 is an apocalyptic number.

11339999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11339999987 is an equidigital number, since it uses as much as digits as its factorization.

11339999987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29760696, while the sum is 68.

The spelling of 11339999987 in words is "eleven billion, three hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-seven".