1100005295920 has 20 divisors (see below), whose sum is σ = 2557512313200. Its totient is φ = 440002118336.

The previous prime is 1100005295891. The next prime is 1100005295947. The reversal of 1100005295920 is 295925000011.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875033020 + ... + 6875033179.

It is an arithmetic number, because the mean of its divisors is an integer number (127875615660).

Almost surely, 2^{1100005295920} is an apocalyptic number.

1100005295920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100005295920 is an abundant number, since it is smaller than the sum of its proper divisors (1457507017280).

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

1100005295920 is a wasteful number, since it uses less digits than its factorization.

1100005295920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750066212 (or 13750066206 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 1100005295920 in words is "one trillion, one hundred billion, five million, two hundred ninety-five thousand, nine hundred twenty".