11405635904 has 56 divisors (see below), whose sum is σ = 24390632448. Its totient is φ = 5260561920.

The previous prime is 11405635867. The next prime is 11405635919. The reversal of 11405635904 is 40953650411.

It is a super-2 number, since 2×11405635904² (a number of 21 digits) contains 22 as substring.

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, 1519649 + ... + 1527135.

It is an arithmetic number, because the mean of its divisors is an integer number (435547008).

Almost surely, 2^11405635904 is an apocalyptic number.

It is an amenable number.

11405635904 is an abundant number, since it is smaller than the sum of its proper divisors (12984996544).

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

11405635904 is a wasteful number, since it uses less digits than its factorization.

11405635904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343 (or 9333 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11405635904 in words is "eleven billion, four hundred five million, six hundred thirty-five thousand, nine hundred four".