11515080435135 has 32 divisors (see below), whose sum is σ = 20137188114432. Its totient is φ = 5593663357440.

The previous prime is 11515080435127. The next prime is 11515080435161. The reversal of 11515080435135 is 53153408051511.

It is not a de Polignac number, because 11515080435135 - 2³ = 11515080435127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728333679 + ... + 728349488.

It is an arithmetic number, because the mean of its divisors is an integer number (629287128576).

Almost surely, 2^{11515080435135} is an apocalyptic number.

11515080435135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11515080435135 is a deficient number, since it is larger than the sum of its proper divisors (8622107679297).

11515080435135 is a wasteful number, since it uses less digits than its factorization.

11515080435135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456683223.

The product of its (nonzero) digits is 180000, while the sum is 42.

Adding to 11515080435135 its reverse (53153408051511), we get a palindrome (64668488486646).

The spelling of 11515080435135 in words is "eleven trillion, five hundred fifteen billion, eighty million, four hundred thirty-five thousand, one hundred thirty-five".