11221473570 has 16 divisors (see below), whose sum is σ = 26931536640. Its totient is φ = 2992392944.

The previous prime is 11221473569. The next prime is 11221473617. The reversal of 11221473570 is 7537412211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187024530 + ... + 187024589.

It is an arithmetic number, because the mean of its divisors is an integer number (1683221040).

Almost surely, 2^11221473570 is an apocalyptic number.

11221473570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221473570 is an abundant number, since it is smaller than the sum of its proper divisors (15710063070).

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

11221473570 is a wasteful number, since it uses less digits than its factorization.

11221473570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374049129.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 11221473570 its reverse (7537412211), we get a palindrome (18758885781).

The spelling of 11221473570 in words is "eleven billion, two hundred twenty-one million, four hundred seventy-three thousand, five hundred seventy".