1105542520440 has 64 divisors (see below), whose sum is σ = 3318398992800. Its totient is φ = 294653878272.

The previous prime is 1105542520409. The next prime is 1105542520451. The reversal of 1105542520440 is 440252455011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2234625 + ... + 2684144.

Almost surely, 2^{1105542520440} is an apocalyptic number.

1105542520440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105542520440 is an abundant number, since it is smaller than the sum of its proper divisors (2212856472360).

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

1105542520440 is a wasteful number, since it uses less digits than its factorization.

1105542520440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920656 (or 4920652 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 1105542520440 its reverse (440252455011), we get a palindrome (1545794975451).

The spelling of 1105542520440 in words is "one trillion, one hundred five billion, five hundred forty-two million, five hundred twenty thousand, four hundred forty".