115320023511 has 32 divisors (see below), whose sum is σ = 193598885376. Its totient is φ = 59313360000.

The previous prime is 115320023501. The next prime is 115320023519.

115320023511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 115320023511 - 2¹⁰ = 115320022487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115320023519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2448060 + ... + 2494721.

It is an arithmetic number, because the mean of its divisors is an integer number (6049965168).

Almost surely, 2^115320023511 is an apocalyptic number.

115320023511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115320023511 is a deficient number, since it is larger than the sum of its proper divisors (78278861865).

115320023511 is a wasteful number, since it uses less digits than its factorization.

115320023511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942903.

The product of its (nonzero) digits is 900, while the sum is 24.

It can be divided in two parts, 1153200 and 23511, that added together give a palindrome (1176711).

The spelling of 115320023511 in words is "one hundred fifteen billion, three hundred twenty million, twenty-three thousand, five hundred eleven".