11503801804 has 24 divisors (see below), whose sum is σ = 21965561856. Its totient is φ = 5228106000.

The previous prime is 11503801783. The next prime is 11503801817. The reversal of 11503801804 is 40810830511.

It is a super-3 number, since 3×11503801804³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285169 + ... + 322999.

It is an arithmetic number, because the mean of its divisors is an integer number (915231744).

Almost surely, 2^11503801804 is an apocalyptic number.

It is an amenable number.

11503801804 is a deficient number, since it is larger than the sum of its proper divisors (10461760052).

11503801804 is a wasteful number, since it uses less digits than its factorization.

11503801804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44757 (or 44755 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 11503801804 in words is "eleven billion, five hundred three million, eight hundred one thousand, eight hundred four".