115651501 has 8 divisors (see below), whose sum is σ = 132252224. Its totient is φ = 99070560.

The previous prime is 115651489. The next prime is 115651511. The reversal of 115651501 is 105156511.

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 115651501 - 2²¹ = 113554349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115651511) 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, 11041 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (16531528).

Almost surely, 2^115651501 is an apocalyptic number.

It is an amenable number.

115651501 is a deficient number, since it is larger than the sum of its proper divisors (16600723).

115651501 is an equidigital number, since it uses as much as digits as its factorization.

115651501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9891.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 115651501 is about 10754.1387846726. The cubic root of 115651501 is about 487.2110069769.

The spelling of 115651501 in words is "one hundred fifteen million, six hundred fifty-one thousand, five hundred one".