115655069 has 2 divisors, whose sum is σ = 115655070. Its totient is φ = 115655068.

The previous prime is 115655051. The next prime is 115655083. The reversal of 115655069 is 960556511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61042969 + 54612100 = 7813^2 + 7390^2 .

It is an emirp because it is prime and its reverse (960556511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115655069 - 2¹⁶ = 115589533 is a prime.

It is a super-2 number, since 2×115655069² = 26752189970789522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115655669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57827534 + 57827535.

It is an arithmetic number, because the mean of its divisors is an integer number (57827535).

Almost surely, 2^115655069 is an apocalyptic number.

It is an amenable number.

115655069 is a deficient number, since it is larger than the sum of its proper divisors (1).

115655069 is an equidigital number, since it uses as much as digits as its factorization.

115655069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 115655069 is about 10754.3046730135. The cubic root of 115655069 is about 487.2160172909.

The spelling of 115655069 in words is "one hundred fifteen million, six hundred fifty-five thousand, sixty-nine".