115515053 has 2 divisors, whose sum is σ = 115515054. Its totient is φ = 115515052.

The previous prime is 115515019. The next prime is 115515061. The reversal of 115515053 is 350515511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84400969 + 31114084 = 9187^2 + 5578^2 .

It is an emirp because it is prime and its reverse (350515511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115515053 - 2⁸ = 115514797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115515553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57757526 + 57757527.

It is an arithmetic number, because the mean of its divisors is an integer number (57757527).

Almost surely, 2^115515053 is an apocalyptic number.

It is an amenable number.

115515053 is a deficient number, since it is larger than the sum of its proper divisors (1).

115515053 is an equidigital number, since it uses as much as digits as its factorization.

115515053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 115515053 is about 10747.7929362265. The cubic root of 115515053 is about 487.0193244120.

The spelling of 115515053 in words is "one hundred fifteen million, five hundred fifteen thousand, fifty-three".