16251107123 has 2 divisors, whose sum is σ = 16251107124. Its totient is φ = 16251107122.

The previous prime is 16251107111. The next prime is 16251107129. The reversal of 16251107123 is 32170115261.

16251107123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16251107123 - 2²² = 16246912819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16251107129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8125553561 + 8125553562.

It is an arithmetic number, because the mean of its divisors is an integer number (8125553562).

Almost surely, 2^16251107123 is an apocalyptic number.

16251107123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16251107123 is an equidigital number, since it uses as much as digits as its factorization.

16251107123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 16251107123 in words is "sixteen billion, two hundred fifty-one million, one hundred seven thousand, one hundred twenty-three".