16118757911 has 4 divisors (see below), whose sum is σ = 16119085032. Its totient is φ = 16118430792.

The previous prime is 16118757839. The next prime is 16118757943. The reversal of 16118757911 is 11975781161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11975781161 = 139 ⋅86156699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16118757911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118757511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72896 + ... + 193781.

It is an arithmetic number, because the mean of its divisors is an integer number (4029771258).

Almost surely, 2^16118757911 is an apocalyptic number.

16118757911 is a deficient number, since it is larger than the sum of its proper divisors (327121).

16118757911 is an equidigital number, since it uses as much as digits as its factorization.

16118757911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327120.

The product of its digits is 105840, while the sum is 47.

The spelling of 16118757911 in words is "sixteen billion, one hundred eighteen million, seven hundred fifty-seven thousand, nine hundred eleven".