15116869 has 2 divisors, whose sum is σ = 15116870. Its totient is φ = 15116868.

The previous prime is 15116863. The next prime is 15116891. The reversal of 15116869 is 96861151.

15116869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15108769 + 8100 = 3887^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 15116869 - 2³ = 15116861 is a prime.

It is a super-2 number, since 2×15116869² = 457039456726322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15116861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7558434 + 7558435.

It is an arithmetic number, because the mean of its divisors is an integer number (7558435).

Almost surely, 2^15116869 is an apocalyptic number.

It is an amenable number.

15116869 is a deficient number, since it is larger than the sum of its proper divisors (1).

15116869 is an equidigital number, since it uses as much as digits as its factorization.

15116869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 37.

The square root of 15116869 is about 3888.0417950428. The cubic root of 15116869 is about 247.2600483654.

It can be divided in two parts, 151 and 16869, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 15116869 in words is "fifteen million, one hundred sixteen thousand, eight hundred sixty-nine".