115011361 has 8 divisors (see below), whose sum is σ = 119220480. Its totient is φ = 110818512.

The previous prime is 115011353. The next prime is 115011433. The reversal of 115011361 is 163110511.

115011361 is a nontrivial binomial coefficient, being equal to C(15167, 2).

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

It is not a de Polignac number, because 115011361 - 2³ = 115011353 is a prime.

It is a super-2 number, since 2×115011361² = 26455226318144642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115011761) 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, 11376 + ... + 18958.

It is an arithmetic number, because the mean of its divisors is an integer number (14902560).

Almost surely, 2^115011361 is an apocalyptic number.

115011361 is the 15166-th triangular number.

115011361 is the 5056-th centered nonagonal number.

It is an amenable number.

115011361 is a deficient number, since it is larger than the sum of its proper divisors (4209119).

115011361 is an equidigital number, since it uses as much as digits as its factorization.

115011361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8135.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 115011361 is about 10724.3349910379. The cubic root of 115011361 is about 486.3104264686.

Adding to 115011361 its reverse (163110511), we get a palindrome (278121872).

The spelling of 115011361 in words is "one hundred fifteen million, eleven thousand, three hundred sixty-one".