115901319 has 4 divisors (see below), whose sum is σ = 154535096. Its totient is φ = 77267544.

The previous prime is 115901309. The next prime is 115901321. The reversal of 115901319 is 913109511.

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

It is not a de Polignac number, because 115901319 - 2⁸ = 115901063 is a prime.

It is a super-3 number, since 3×115901319³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115901309) 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 3 ways as a sum of consecutive naturals, for example, 19316884 + ... + 19316889.

It is an arithmetic number, because the mean of its divisors is an integer number (38633774).

Almost surely, 2^115901319 is an apocalyptic number.

115901319 is a deficient number, since it is larger than the sum of its proper divisors (38633777).

115901319 is an equidigital number, since it uses as much as digits as its factorization.

115901319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38633776.

The product of its (nonzero) digits is 1215, while the sum is 30.

The square root of 115901319 is about 10765.7474891435. The cubic root of 115901319 is about 487.5615617194.

It can be divided in two parts, 11 and 5901319, that added together give a triangular number (5901330 = T₃₄₃₅).

The spelling of 115901319 in words is "one hundred fifteen million, nine hundred one thousand, three hundred nineteen".