115960511 has 4 divisors (see below), whose sum is σ = 116259000. Its totient is φ = 115662024.

The previous prime is 115960483. The next prime is 115960513. The reversal of 115960511 is 115069511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115069511 = 1567 ⋅73433.

It is a cyclic number.

It is not a de Polignac number, because 115960511 - 2¹⁸ = 115698367 is a prime.

It is a super-2 number, since 2×115960511² = 26893680222762242, 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 (115960513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148661 + ... + 149438.

It is an arithmetic number, because the mean of its divisors is an integer number (29064750).

Almost surely, 2^115960511 is an apocalyptic number.

115960511 is a deficient number, since it is larger than the sum of its proper divisors (298489).

115960511 is an equidigital number, since it uses as much as digits as its factorization.

115960511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298488.

The product of its (nonzero) digits is 1350, while the sum is 29.

The square root of 115960511 is about 10768.4962274219. The cubic root of 115960511 is about 487.6445485011.

The spelling of 115960511 in words is "one hundred fifteen million, nine hundred sixty thousand, five hundred eleven".