115651369 has 2 divisors, whose sum is σ = 115651370. Its totient is φ = 115651368.

The previous prime is 115651351. The next prime is 115651379. The reversal of 115651369 is 963156511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 38440000 = 8787^2 + 6200^2 .

It is a cyclic number.

It is not a de Polignac number, because 115651369 - 2¹¹ = 115649321 is a prime.

It is a super-2 number, since 2×115651369² = 26750478303148322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115651379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57825684 + 57825685.

It is an arithmetic number, because the mean of its divisors is an integer number (57825685).

Almost surely, 2^115651369 is an apocalyptic number.

It is an amenable number.

115651369 is a deficient number, since it is larger than the sum of its proper divisors (1).

115651369 is an equidigital number, since it uses as much as digits as its factorization.

115651369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 37.

The square root of 115651369 is about 10754.1326474988. The cubic root of 115651369 is about 487.2108216158.

It can be divided in two parts, 1156 and 51369, that added together give a palindrome (52525).

The spelling of 115651369 in words is "one hundred fifteen million, six hundred fifty-one thousand, three hundred sixty-nine".