1135111923 has 24 divisors (see below), whose sum is σ = 1815368256. Its totient is φ = 677674800.

The previous prime is 1135111907. The next prime is 1135111969. The reversal of 1135111923 is 3291115311.

It is a happy number.

1135111923 is a `hidden beast` number, since 113 + 511 + 19 + 23 = 666.

It is not a de Polignac number, because 1135111923 - 2⁴ = 1135111907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78933 + ... + 92198.

It is an arithmetic number, because the mean of its divisors is an integer number (75640344).

Almost surely, 2^1135111923 is an apocalyptic number.

1135111923 is a deficient number, since it is larger than the sum of its proper divisors (680256333).

1135111923 is a wasteful number, since it uses less digits than its factorization.

1135111923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171215 (or 171212 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 1135111923 is about 33691.4220982137. The cubic root of 1135111923 is about 1043.1487175741.

The spelling of 1135111923 in words is "one billion, one hundred thirty-five million, one hundred eleven thousand, nine hundred twenty-three".