11152005111 has 24 divisors (see below), whose sum is σ = 17435658240. Its totient is φ = 6827921856.

The previous prime is 11152005077. The next prime is 11152005113. The reversal of 11152005111 is 11150025111.

11152005111 is a `hidden beast` number, since 1 + 1 + 152 + 0 + 0 + 511 + 1 = 666.

It is not a de Polignac number, because 11152005111 - 2⁹ = 11152004599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152005113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218871 + ... + 264968.

It is an arithmetic number, because the mean of its divisors is an integer number (726485760).

Almost surely, 2^11152005111 is an apocalyptic number.

11152005111 is a deficient number, since it is larger than the sum of its proper divisors (6283653129).

11152005111 is a wasteful number, since it uses less digits than its factorization.

11152005111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484055 (or 484052 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The spelling of 11152005111 in words is "eleven billion, one hundred fifty-two million, five thousand, one hundred eleven".