11313121011 has 16 divisors (see below), whose sum is σ = 15287021568. Its totient is φ = 7441308000.

The previous prime is 11313121003. The next prime is 11313121013. The reversal of 11313121011 is 11012131311.

It is not a de Polignac number, because 11313121011 - 2³ = 11313121003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11313121013) 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, 13065 + ... + 150986.

It is an arithmetic number, because the mean of its divisors is an integer number (955438848).

Almost surely, 2^11313121011 is an apocalyptic number.

11313121011 is a deficient number, since it is larger than the sum of its proper divisors (3973900557).

11313121011 is a wasteful number, since it uses less digits than its factorization.

11313121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164362.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11313121011 its reverse (11012131311), we get a palindrome (22325252322).

The spelling of 11313121011 in words is "eleven billion, three hundred thirteen million, one hundred twenty-one thousand, eleven".