16315645811 has 2 divisors, whose sum is σ = 16315645812. Its totient is φ = 16315645810.

The previous prime is 16315645799. The next prime is 16315645849. The reversal of 16315645811 is 11854651361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16315645811 - 2¹⁴ = 16315629427 is a prime.

It is not a weakly prime, because it can be changed into another prime (16315605811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157822905 + 8157822906.

It is an arithmetic number, because the mean of its divisors is an integer number (8157822906).

Almost surely, 2^16315645811 is an apocalyptic number.

16315645811 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315645811 is an equidigital number, since it uses as much as digits as its factorization.

16315645811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 41.

The spelling of 16315645811 in words is "sixteen billion, three hundred fifteen million, six hundred forty-five thousand, eight hundred eleven".