11135515455 has 24 divisors (see below), whose sum is σ = 19304794080. Its totient is φ = 5937946560.

The previous prime is 11135515427. The next prime is 11135515519. The reversal of 11135515455 is 55451553111.

11135515455 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 551 + 54 + 55 = 666.

It is not a de Polignac number, because 11135515455 - 2⁸ = 11135515199 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 23 ways as a sum of consecutive naturals, for example, 308190 + ... + 342420.

It is an arithmetic number, because the mean of its divisors is an integer number (804366420).

Almost surely, 2^11135515455 is an apocalyptic number.

11135515455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11135515455 is a deficient number, since it is larger than the sum of its proper divisors (8169278625).

11135515455 is a wasteful number, since it uses less digits than its factorization.

11135515455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41471 (or 41468 counting only the distinct ones).

The product of its digits is 37500, while the sum is 36.

The spelling of 11135515455 in words is "eleven billion, one hundred thirty-five million, five hundred fifteen thousand, four hundred fifty-five".