115784487511 has 12 divisors (see below), whose sum is σ = 145448282896. Its totient is φ = 90221677920.

The previous prime is 115784487503. The next prime is 115784487521.

115784487511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 115784487511 - 2³ = 115784487503 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115784487521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68348910 + ... + 68350603.

Almost surely, 2^115784487511 is an apocalyptic number.

115784487511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115784487511 is a deficient number, since it is larger than the sum of its proper divisors (29663795385).

115784487511 is a wasteful number, since it uses less digits than its factorization.

115784487511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136699542 (or 136699531 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 52.

The spelling of 115784487511 in words is "one hundred fifteen billion, seven hundred eighty-four million, four hundred eighty-seven thousand, five hundred eleven".