11287287276 has 24 divisors (see below), whose sum is σ = 26346425280. Its totient is φ = 3761083152.

The previous prime is 11287287233. The next prime is 11287287281. The reversal of 11287287276 is 67278278211.

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, 133006 + ... + 200661.

It is an arithmetic number, because the mean of its divisors is an integer number (1097767720).

Almost surely, 2^11287287276 is an apocalyptic number.

It is an amenable number.

11287287276 is an abundant number, since it is smaller than the sum of its proper divisors (15059138004).

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

11287287276 is a wasteful number, since it uses less digits than its factorization.

11287287276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336493 (or 336491 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 51.

The spelling of 11287287276 in words is "eleven billion, two hundred eighty-seven million, two hundred eighty-seven thousand, two hundred seventy-six".