11135123043 has 16 divisors (see below), whose sum is σ = 16356909312. Its totient is φ = 6681740000.

The previous prime is 11135123003. The next prime is 11135123057. The reversal of 11135123043 is 34032153111.

It is a cyclic number.

It is not a de Polignac number, because 11135123043 - 2⁸ = 11135122787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11135123003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667103 + ... + 1673768.

It is an arithmetic number, because the mean of its divisors is an integer number (1022306832).

Almost surely, 2^11135123043 is an apocalyptic number.

11135123043 is a deficient number, since it is larger than the sum of its proper divisors (5221786269).

11135123043 is a wasteful number, since it uses less digits than its factorization.

11135123043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340986.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11135123043 its reverse (34032153111), we get a palindrome (45167276154).

The spelling of 11135123043 in words is "eleven billion, one hundred thirty-five million, one hundred twenty-three thousand, forty-three".