11123234045 has 32 divisors (see below), whose sum is σ = 17620436736. Its totient is φ = 6526080000.

The previous prime is 11123234029. The next prime is 11123234117. The reversal of 11123234045 is 54043232111.

It is a happy number.

It is not a de Polignac number, because 11123234045 - 2⁴ = 11123234029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843206 + ... + 856295.

It is an arithmetic number, because the mean of its divisors is an integer number (550638648).

Almost surely, 2^11123234045 is an apocalyptic number.

It is an amenable number.

11123234045 is a deficient number, since it is larger than the sum of its proper divisors (6497202691).

11123234045 is a wasteful number, since it uses less digits than its factorization.

11123234045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699541.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11123234045 its reverse (54043232111), we get a palindrome (65166466156).

The spelling of 11123234045 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-four thousand, forty-five".