11310113124 has 36 divisors (see below), whose sum is σ = 30271186764. Its totient is φ = 3548270592.

The previous prime is 11310113123. The next prime is 11310113137. The reversal of 11310113124 is 42131101311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9328082724 + 1982030400 = 96582^2 + 44520^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 11310113097 and 11310113106.

It is not an unprimeable number, because it can be changed into a prime (11310113123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9239677 + ... + 9240900.

It is an arithmetic number, because the mean of its divisors is an integer number (840866299).

Almost surely, 2^11310113124 is an apocalyptic number.

It is an amenable number.

11310113124 is an abundant number, since it is smaller than the sum of its proper divisors (18961073640).

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

11310113124 is a wasteful number, since it uses less digits than its factorization.

11310113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18480604 (or 18480599 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11310113124 its reverse (42131101311), we get a palindrome (53441214435).

The spelling of 11310113124 in words is "eleven billion, three hundred ten million, one hundred thirteen thousand, one hundred twenty-four".