11566255350 has 96 divisors (see below), whose sum is σ = 30920520960. Its totient is φ = 2844339840.

The previous prime is 11566255343. The next prime is 11566255361. The reversal of 11566255350 is 5355266511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 11566255299 and 11566255308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2663481 + ... + 2667819.

It is an arithmetic number, because the mean of its divisors is an integer number (322088760).

Almost surely, 2^11566255350 is an apocalyptic number.

11566255350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11566255350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15460260480).

11566255350 is an abundant number, since it is smaller than the sum of its proper divisors (19354265610).

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

11566255350 is a wasteful number, since it uses less digits than its factorization.

11566255350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 5729 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 11566255350 in words is "eleven billion, five hundred sixty-six million, two hundred fifty-five thousand, three hundred fifty".