115113553 has 2 divisors, whose sum is σ = 115113554. Its totient is φ = 115113552.

The previous prime is 115113539. The next prime is 115113589. The reversal of 115113553 is 355311511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105329169 + 9784384 = 10263^2 + 3128^2 .

It is a cyclic number.

It is not a de Polignac number, because 115113553 - 2⁹ = 115113041 is a prime.

It is a super-2 number, since 2×115113553² = 26502260168567618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115113353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57556776 + 57556777.

It is an arithmetic number, because the mean of its divisors is an integer number (57556777).

Almost surely, 2^115113553 is an apocalyptic number.

It is an amenable number.

115113553 is a deficient number, since it is larger than the sum of its proper divisors (1).

115113553 is an equidigital number, since it uses as much as digits as its factorization.

115113553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1125, while the sum is 25.

The square root of 115113553 is about 10729.0984243784. The cubic root of 115113553 is about 486.4544189771.

The spelling of 115113553 in words is "one hundred fifteen million, one hundred thirteen thousand, five hundred fifty-three".