11860231820 has 12 divisors (see below), whose sum is σ = 24906486864. Its totient is φ = 4744092720.

The previous prime is 11860231811. The next prime is 11860231829. The reversal of 11860231820 is 2813206811.

It is an interprime number because it is at equal distance from previous prime (11860231811) and next prime (11860231829).

It is not an unprimeable number, because it can be changed into a prime (11860231829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296505776 + ... + 296505815.

It is an arithmetic number, because the mean of its divisors is an integer number (2075540572).

Almost surely, 2^11860231820 is an apocalyptic number.

11860231820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11860231820 is an abundant number, since it is smaller than the sum of its proper divisors (13046255044).

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

11860231820 is a wasteful number, since it uses less digits than its factorization.

11860231820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593011600 (or 593011598 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 11860231820 in words is "eleven billion, eight hundred sixty million, two hundred thirty-one thousand, eight hundred twenty".