115431501 has 8 divisors (see below), whose sum is σ = 153968320. Its totient is φ = 76924512.

The previous prime is 115431499. The next prime is 115431521. The reversal of 115431501 is 105134511.

It is a happy number.

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

It is not a de Polignac number, because 115431501 - 2¹ = 115431499 is a prime.

It is a super-2 number, since 2×115431501² = 26648862846226002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115431521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (19246040).

Almost surely, 2^115431501 is an apocalyptic number.

It is an amenable number.

115431501 is a deficient number, since it is larger than the sum of its proper divisors (38536819).

115431501 is a wasteful number, since it uses less digits than its factorization.

115431501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14915.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 115431501 is about 10743.9052955618. The cubic root of 115431501 is about 486.9018757846.

The spelling of 115431501 in words is "one hundred fifteen million, four hundred thirty-one thousand, five hundred one".