11544849661696 has 108 divisors (see below), whose sum is σ = 25643652388536. Its totient is φ = 5156507105280.

The previous prime is 11544849661687. The next prime is 11544849661711. The reversal of 11544849661696 is 69616694844511.

It is a happy number.

It is a super-2 number, since 2×11544849661696² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1393315 + ... + 5003101.

Almost surely, 2^{11544849661696} is an apocalyptic number.

11544849661696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11544849661696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12821826194268).

11544849661696 is an abundant number, since it is smaller than the sum of its proper divisors (14098802726840).

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

11544849661696 is an equidigital number, since it uses as much as digits as its factorization.

11544849661696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609878 (or 3609833 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 70.

The spelling of 11544849661696 in words is "eleven trillion, five hundred forty-four billion, eight hundred forty-nine million, six hundred sixty-one thousand, six hundred ninety-six".