11043501112040 has 32 divisors (see below), whose sum is σ = 24848217468360. Its totient is φ = 4417340006400.

The previous prime is 11043501112009. The next prime is 11043501112139. The reversal of 11043501112040 is 4021110534011.

It can be written as a sum of positive squares in 4 ways, for example, as 7248726983716 + 3794774128324 = 2692346^2 + 1948018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11043501111997 and 11043501112015.

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, 1131020 + ... + 4833860.

Almost surely, 2^{11043501112040} is an apocalyptic number.

11043501112040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11043501112040 is an abundant number, since it is smaller than the sum of its proper divisors (13804716356320).

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

11043501112040 is a wasteful number, since it uses less digits than its factorization.

11043501112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777413 (or 3777409 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11043501112040 its reverse (4021110534011), we get a palindrome (15064611646051).

The spelling of 11043501112040 in words is "eleven trillion, forty-three billion, five hundred one million, one hundred twelve thousand, forty".