11870520804 has 36 divisors (see below), whose sum is σ = 30021320784. Its totient is φ = 3954825072.

The previous prime is 11870520797. The next prime is 11870520811. The reversal of 11870520804 is 40802507811.

It is an interprime number because it is at equal distance from previous prime (11870520797) and next prime (11870520811).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11442 + ... + 154505.

Almost surely, 2^11870520804 is an apocalyptic number.

It is an amenable number.

11870520804 is an abundant number, since it is smaller than the sum of its proper divisors (18150799980).

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

11870520804 is a wasteful number, since it uses less digits than its factorization.

11870520804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167944 (or 167939 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 11870520804 in words is "eleven billion, eight hundred seventy million, five hundred twenty thousand, eight hundred four".