11313123155 has 16 divisors (see below), whose sum is σ = 14047084800. Its totient is φ = 8736416640.

The previous prime is 11313123121. The next prime is 11313123193. The reversal of 11313123155 is 55132131311.

It is a happy number.

It is not a de Polignac number, because 11313123155 - 2¹⁰ = 11313122131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117406 + ... + 1127484.

It is an arithmetic number, because the mean of its divisors is an integer number (877942800).

Almost surely, 2^11313123155 is an apocalyptic number.

11313123155 is a deficient number, since it is larger than the sum of its proper divisors (2733961645).

11313123155 is a wasteful number, since it uses less digits than its factorization.

11313123155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17854.

The product of its digits is 1350, while the sum is 26.

Adding to 11313123155 its reverse (55132131311), we get a palindrome (66445254466).

The spelling of 11313123155 in words is "eleven billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred fifty-five".