1155075915804 has 24 divisors (see below), whose sum is σ = 2722962470928. Its totient is φ = 381055971840.

The previous prime is 1155075915779. The next prime is 1155075915809. The reversal of 1155075915804 is 4085195705511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155075915809) 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, 496165467 + ... + 496167794.

It is an arithmetic number, because the mean of its divisors is an integer number (113456769622).

Almost surely, 2^{1155075915804} is an apocalyptic number.

It is an amenable number.

1155075915804 is an abundant number, since it is smaller than the sum of its proper divisors (1567886555124).

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

1155075915804 is a wasteful number, since it uses less digits than its factorization.

1155075915804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992333365 (or 992333363 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 51.

The spelling of 1155075915804 in words is "one trillion, one hundred fifty-five billion, seventy-five million, nine hundred fifteen thousand, eight hundred four".