11105454040 has 32 divisors (see below), whose sum is σ = 25184033280. Its totient is φ = 4407201792.

The previous prime is 11105454037. The next prime is 11105454047. The reversal of 11105454040 is 4045450111.

It is a super-2 number, since 2×11105454040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11105453996 and 11105454014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105454047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087977 + ... + 1098136.

It is an arithmetic number, because the mean of its divisors is an integer number (787001040).

Almost surely, 2^11105454040 is an apocalyptic number.

11105454040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105454040 is an abundant number, since it is smaller than the sum of its proper divisors (14078579240).

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

11105454040 is a wasteful number, since it uses less digits than its factorization.

11105454040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186251 (or 2186247 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 11105454040 in words is "eleven billion, one hundred five million, four hundred fifty-four thousand, forty".