11229278676 has 288 divisors, whose sum is σ = 34343264256. Its totient is φ = 2792275200.

The previous prime is 11229278647. The next prime is 11229278701. The reversal of 11229278676 is 67687292211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49468075 + ... + 49468301.

Almost surely, 2^11229278676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11229278676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17171632128).

11229278676 is an abundant number, since it is smaller than the sum of its proper divisors (23113985580).

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

11229278676 is a wasteful number, since it uses less digits than its factorization.

11229278676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 438 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The spelling of 11229278676 in words is "eleven billion, two hundred twenty-nine million, two hundred seventy-eight thousand, six hundred seventy-six".