11281748850 has 96 divisors (see below), whose sum is σ = 31471586880. Its totient is φ = 3008437200.

The previous prime is 11281748843. The next prime is 11281748923. The reversal of 11281748850 is 5884718211.

11281748850 is a `hidden beast` number, since 112 + 8 + 1 + 7 + 488 + 50 = 666.

It is a super-2 number, since 2×11281748850² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11281748796 and 11281748805.

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, 57765 + ... + 160935.

It is an arithmetic number, because the mean of its divisors is an integer number (327829030).

Almost surely, 2^11281748850 is an apocalyptic number.

11281748850 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 11281748850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15735793440).

11281748850 is an abundant number, since it is smaller than the sum of its proper divisors (20189838030).

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

11281748850 is an equidigital number, since it uses as much as digits as its factorization.

11281748850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103204 (or 103181 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 11281748850 in words is "eleven billion, two hundred eighty-one million, seven hundred forty-eight thousand, eight hundred fifty".