11405553404 has 36 divisors (see below), whose sum is σ = 23758429464. Its totient is φ = 4774414176.

The previous prime is 11405553373. The next prime is 11405553443. The reversal of 11405553404 is 40435550411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668219 + ... + 685074.

It is an arithmetic number, because the mean of its divisors is an integer number (659956374).

Almost surely, 2^11405553404 is an apocalyptic number.

11405553404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11405553404 is an abundant number, since it is smaller than the sum of its proper divisors (12352876060).

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

11405553404 is a wasteful number, since it uses less digits than its factorization.

11405553404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353354 (or 1353345 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 11405553404 in words is "eleven billion, four hundred five million, five hundred fifty-three thousand, four hundred four".