11403343104 has 72 divisors (see below), whose sum is σ = 30422814240. Its totient is φ = 3791935488.

The previous prime is 11403343099. The next prime is 11403343123. The reversal of 11403343104 is 40134330411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304074 + ... + 339510.

Almost surely, 2^11403343104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403343104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15211407120).

11403343104 is an abundant number, since it is smaller than the sum of its proper divisors (19019471136).

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

11403343104 is an equidigital number, since it uses as much as digits as its factorization.

11403343104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35875 (or 35861 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11403343104 its reverse (40134330411), we get a palindrome (51537673515).

The spelling of 11403343104 in words is "eleven billion, four hundred three million, three hundred forty-three thousand, one hundred four".