14111999987 has 2 divisors, whose sum is σ = 14111999988. Its totient is φ = 14111999986.

The previous prime is 14111999947. The next prime is 14112000011. The reversal of 14111999987 is 78999911141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14111999987 - 2⁸ = 14111999731 is a prime.

It is not a weakly prime, because it can be changed into another prime (14111999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7055999993 + 7055999994.

It is an arithmetic number, because the mean of its divisors is an integer number (7055999994).

Almost surely, 2^14111999987 is an apocalyptic number.

14111999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14111999987 is an equidigital number, since it uses as much as digits as its factorization.

14111999987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 59.

The spelling of 14111999987 in words is "fourteen billion, one hundred eleven million, nine hundred ninety-nine thousand, nine hundred eighty-seven".