115615001 has 8 divisors (see below), whose sum is σ = 116563080. Its totient is φ = 114671232.

The previous prime is 115614953. The next prime is 115615009. The reversal of 115615001 is 100516511.

It can be written as a sum of positive squares in 4 ways, for example, as 14592400 + 101022601 = 3820^2 + 10051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115615001 - 2⁶ = 115614937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115615009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70871 + ... + 72483.

It is an arithmetic number, because the mean of its divisors is an integer number (14570385).

Almost surely, 2^115615001 is an apocalyptic number.

It is an amenable number.

115615001 is a deficient number, since it is larger than the sum of its proper divisors (948079).

115615001 is a wasteful number, since it uses less digits than its factorization.

115615001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

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

The square root of 115615001 is about 10752.4416296951. The cubic root of 115615001 is about 487.1597464435.

The spelling of 115615001 in words is "one hundred fifteen million, six hundred fifteen thousand, one".