11870854820 has 24 divisors (see below), whose sum is σ = 27195049728. Its totient is φ = 4316674400.

The previous prime is 11870854771. The next prime is 11870854847. The reversal of 11870854820 is 2845807811.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 26978996 + ... + 26979435.

It is an arithmetic number, because the mean of its divisors is an integer number (1133127072).

Almost surely, 2^11870854820 is an apocalyptic number.

11870854820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11870854820 is an abundant number, since it is smaller than the sum of its proper divisors (15324194908).

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

11870854820 is a wasteful number, since it uses less digits than its factorization.

11870854820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53958451 (or 53958449 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 11870854820 in words is "eleven billion, eight hundred seventy million, eight hundred fifty-four thousand, eight hundred twenty".