11403113100 has 36 divisors (see below), whose sum is σ = 32993008104. Its totient is φ = 3040830080.

The previous prime is 11403113089. The next prime is 11403113101. The reversal of 11403113100 is 131130411.

It is a super-2 number, since 2×11403113100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11403113100.

It is not an unprimeable number, because it can be changed into a prime (11403113101) 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, 19004889 + ... + 19005488.

Almost surely, 2^11403113100 is an apocalyptic number.

11403113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403113100 is an abundant number, since it is smaller than the sum of its proper divisors (21589895004).

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

11403113100 is a wasteful number, since it uses less digits than its factorization.

11403113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38010394 (or 38010387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11403113100 its reverse (131130411), we get a palindrome (11534243511).

It can be divided in two parts, 1140311 and 3100, that added together give a palindrome (1143411).

The spelling of 11403113100 in words is "eleven billion, four hundred three million, one hundred thirteen thousand, one hundred".