11544263461220 has 48 divisors (see below), whose sum is σ = 27706576988160. Its totient is φ = 3957983946624.

The previous prime is 11544263461177. The next prime is 11544263461243. The reversal of 11544263461220 is 2216436244511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11839421 + ... + 12777339.

It is an arithmetic number, because the mean of its divisors is an integer number (577220353920).

Almost surely, 2^{11544263461220} is an apocalyptic number.

11544263461220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11544263461220 is an abundant number, since it is smaller than the sum of its proper divisors (16162313526940).

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

11544263461220 is a wasteful number, since it uses less digits than its factorization.

11544263461220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025852 (or 1025850 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 11544263461220 in words is "eleven trillion, five hundred forty-four billion, two hundred sixty-three million, four hundred sixty-one thousand, two hundred twenty".