11121313032 has 24 divisors (see below), whose sum is σ = 30120222990. Its totient is φ = 3707104320.

The previous prime is 11121313031. The next prime is 11121313097. The reversal of 11121313032 is 23031312111.

It can be written as a sum of positive squares in only one way, i.e., 8340438276 + 2780874756 = 91326^2 + 52734^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11121312996 and 11121313014.

It is not an unprimeable number, because it can be changed into a prime (11121313031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77231269 + ... + 77231412.

Almost surely, 2^11121313032 is an apocalyptic number.

11121313032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121313032 is an abundant number, since it is smaller than the sum of its proper divisors (18998909958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121313032 is a wasteful number, since it uses less digits than its factorization.

11121313032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154462693 (or 154462686 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11121313032 its reverse (23031312111), we get a palindrome (34152625143).

The spelling of 11121313032 in words is "eleven billion, one hundred twenty-one million, three hundred thirteen thousand, thirty-two".