10999747867 has 2 divisors, whose sum is σ = 10999747868. Its totient is φ = 10999747866.

The previous prime is 10999747849. The next prime is 10999747909. The reversal of 10999747867 is 76874799901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10999747867 - 2⁷ = 10999747739 is a prime.

It is not a weakly prime, because it can be changed into another prime (10999747817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499873933 + 5499873934.

It is an arithmetic number, because the mean of its divisors is an integer number (5499873934).

Almost surely, 2^10999747867 is an apocalyptic number.

10999747867 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999747867 is an equidigital number, since it uses as much as digits as its factorization.

10999747867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48009024, while the sum is 67.

The spelling of 10999747867 in words is "ten billion, nine hundred ninety-nine million, seven hundred forty-seven thousand, eight hundred sixty-seven".