1100115543344 has 20 divisors (see below), whose sum is σ = 2204972964960. Its totient is φ = 531090262080.

The previous prime is 1100115543341. The next prime is 1100115543361. The reversal of 1100115543344 is 4433455110011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100115543344.

It is not an unprimeable number, because it can be changed into a prime (1100115543341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185468872 + ... + 1185469799.

It is an arithmetic number, because the mean of its divisors is an integer number (110248648248).

Almost surely, 2^{1100115543344} is an apocalyptic number.

It is an amenable number.

1100115543344 is an abundant number, since it is smaller than the sum of its proper divisors (1104857421616).

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

1100115543344 is a wasteful number, since it uses less digits than its factorization.

1100115543344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370938708 (or 2370938702 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 1100115543344 in words is "one trillion, one hundred billion, one hundred fifteen million, five hundred forty-three thousand, three hundred forty-four".