11229597872 has 10 divisors (see below), whose sum is σ = 21757345908. Its totient is φ = 5614798928.

The previous prime is 11229597839. The next prime is 11229597881. The reversal of 11229597872 is 27879592211.

It is a super-2 number, since 2×11229597872² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350924918 + ... + 350924949.

Almost surely, 2^11229597872 is an apocalyptic number.

It is an amenable number.

11229597872 is a deficient number, since it is larger than the sum of its proper divisors (10527748036).

11229597872 is an equidigital number, since it uses as much as digits as its factorization.

11229597872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701849875 (or 701849869 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 53.

The spelling of 11229597872 in words is "eleven billion, two hundred twenty-nine million, five hundred ninety-seven thousand, eight hundred seventy-two".