11864849420 has 24 divisors (see below), whose sum is σ = 24936708384. Its totient is φ = 4742030336.

The previous prime is 11864849413. The next prime is 11864849453. The reversal of 11864849420 is 2494846811.

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, 219392 + ... + 268071.

It is an arithmetic number, because the mean of its divisors is an integer number (1039029516).

Almost surely, 2^11864849420 is an apocalyptic number.

11864849420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11864849420 is an abundant number, since it is smaller than the sum of its proper divisors (13071858964).

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

11864849420 is a wasteful number, since it uses less digits than its factorization.

11864849420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488689 (or 488687 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 11864849420 in words is "eleven billion, eight hundred sixty-four million, eight hundred forty-nine thousand, four hundred twenty".