11299022280 has 576 divisors, whose sum is σ = 46576632960. Its totient is φ = 2324754432.

The previous prime is 11299022261. The next prime is 11299022281. The reversal of 11299022280 is 8222099211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11299022281) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18312532 + ... + 18313148.

It is an arithmetic number, because the mean of its divisors is an integer number (80862210).

Almost surely, 2^11299022280 is an apocalyptic number.

11299022280 is a gapful number since it is divisible by the number (10) 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 11299022280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23288316480).

11299022280 is an abundant number, since it is smaller than the sum of its proper divisors (35277610680).

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

11299022280 is a wasteful number, since it uses less digits than its factorization.

11299022280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 11299022280 in words is "eleven billion, two hundred ninety-nine million, twenty-two thousand, two hundred eighty".