11545004878 has 32 divisors (see below), whose sum is σ = 20197382400. Its totient is φ = 4891071360.

The previous prime is 11545004873. The next prime is 11545004897. The reversal of 11545004878 is 87840054511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545004873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111328 + ... + 188371.

It is an arithmetic number, because the mean of its divisors is an integer number (631168200).

Almost surely, 2^11545004878 is an apocalyptic number.

11545004878 is a deficient number, since it is larger than the sum of its proper divisors (8652377522).

11545004878 is a wasteful number, since it uses less digits than its factorization.

11545004878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299832.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 11545004878 in words is "eleven billion, five hundred forty-five million, four thousand, eight hundred seventy-eight".