11403403404 has 96 divisors (see below), whose sum is σ = 29179476480. Its totient is φ = 3455198208.

The previous prime is 11403403399. The next prime is 11403403409. The reversal of 11403403404 is 40430430411.

It is an interprime number because it is at equal distance from previous prime (11403403399) and next prime (11403403409).

It is not an unprimeable number, because it can be changed into a prime (11403403409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426132 + ... + 452100.

It is an arithmetic number, because the mean of its divisors is an integer number (303952880).

Almost surely, 2^11403403404 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 11403403404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14589738240).

11403403404 is an abundant number, since it is smaller than the sum of its proper divisors (17776073076).

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

11403403404 is a wasteful number, since it uses less digits than its factorization.

11403403404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26079 (or 26077 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11403403404 its reverse (40430430411), we get a palindrome (51833833815).

The spelling of 11403403404 in words is "eleven billion, four hundred three million, four hundred three thousand, four hundred four".