11804533865 has 32 divisors (see below), whose sum is σ = 15812112384. Its totient is φ = 8418309120.

The previous prime is 11804533837. The next prime is 11804533877. The reversal of 11804533865 is 56833540811.

It is not a de Polignac number, because 11804533865 - 2⁶ = 11804533801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76187 + ... + 171503.

It is an arithmetic number, because the mean of its divisors is an integer number (494128512).

Almost surely, 2^11804533865 is an apocalyptic number.

It is an amenable number.

11804533865 is a deficient number, since it is larger than the sum of its proper divisors (4007578519).

11804533865 is a wasteful number, since it uses less digits than its factorization.

11804533865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95417.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 11804533865 in words is "eleven billion, eight hundred four million, five hundred thirty-three thousand, eight hundred sixty-five".