115388883511 has 16 divisors (see below), whose sum is σ = 133321409568. Its totient is φ = 98700313600.

The previous prime is 115388883509. The next prime is 115388883521.

115388883511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 115388883511 - 2¹ = 115388883509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115388883521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583491 + ... + 755803.

It is an arithmetic number, because the mean of its divisors is an integer number (8332588098).

Almost surely, 2^115388883511 is an apocalyptic number.

115388883511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115388883511 is a deficient number, since it is larger than the sum of its proper divisors (17932526057).

115388883511 is a wasteful number, since it uses less digits than its factorization.

115388883511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175922.

The product of its digits is 921600, while the sum is 52.

It can be divided in two parts, 115388 and 883511, that added together give a palindrome (998899).

The spelling of 115388883511 in words is "one hundred fifteen billion, three hundred eighty-eight million, eight hundred eighty-three thousand, five hundred eleven".