11880405860 has 48 divisors (see below), whose sum is σ = 25605320832. Its totient is φ = 4628736000.

The previous prime is 11880405839. The next prime is 11880405883. The reversal of 11880405860 is 6850408811.

It is a super-2 number, since 2×11880405860² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67460 + ... + 168260.

It is an arithmetic number, because the mean of its divisors is an integer number (533444184).

Almost surely, 2^11880405860 is an apocalyptic number.

11880405860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11880405860 is an abundant number, since it is smaller than the sum of its proper divisors (13724914972).

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

11880405860 is a wasteful number, since it uses less digits than its factorization.

11880405860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100964 (or 100962 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 11880405860 in words is "eleven billion, eight hundred eighty million, four hundred five thousand, eight hundred sixty".