11404343132 has 48 divisors (see below), whose sum is σ = 24658979520. Its totient is φ = 4494016512.

The previous prime is 11404343123. The next prime is 11404343141. The reversal of 11404343132 is 23134340411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11404343123) and next prime (11404343141).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32594 + ... + 154502.

It is an arithmetic number, because the mean of its divisors is an integer number (513728740).

Almost surely, 2^11404343132 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 11404343132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12329489760).

11404343132 is an abundant number, since it is smaller than the sum of its proper divisors (13254636388).

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

11404343132 is a wasteful number, since it uses less digits than its factorization.

11404343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122190 (or 122188 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11404343132 its reverse (23134340411), we get a palindrome (34538683543).

The spelling of 11404343132 in words is "eleven billion, four hundred four million, three hundred forty-three thousand, one hundred thirty-two".