16111512413 has 2 divisors, whose sum is σ = 16111512414. Its totient is φ = 16111512412.

The previous prime is 16111512407. The next prime is 16111512433. The reversal of 16111512413 is 31421511161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12550048729 + 3561463684 = 112027^2 + 59678^2 .

It is a cyclic number.

It is not a de Polignac number, because 16111512413 - 2¹⁰ = 16111511389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16111512433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8055756206 + 8055756207.

It is an arithmetic number, because the mean of its divisors is an integer number (8055756207).

Almost surely, 2^16111512413 is an apocalyptic number.

It is an amenable number.

16111512413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16111512413 is an equidigital number, since it uses as much as digits as its factorization.

16111512413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 26.

The spelling of 16111512413 in words is "sixteen billion, one hundred eleven million, five hundred twelve thousand, four hundred thirteen".