115015601 has 4 divisors (see below), whose sum is σ = 116070900. Its totient is φ = 113960304.

The previous prime is 115015597. The next prime is 115015609. The reversal of 115015601 is 106510511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93624976 + 21390625 = 9676^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 115015601 - 2² = 115015597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115015609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527486 + ... + 527703.

It is an arithmetic number, because the mean of its divisors is an integer number (29017725).

Almost surely, 2^115015601 is an apocalyptic number.

It is an amenable number.

115015601 is a deficient number, since it is larger than the sum of its proper divisors (1055299).

115015601 is a wasteful number, since it uses less digits than its factorization.

115015601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055298.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 115015601 is about 10724.5326704710. The cubic root of 115015601 is about 486.3164024894.

The spelling of 115015601 in words is "one hundred fifteen million, fifteen thousand, six hundred one".