11220772275 has 18 divisors (see below), whose sum is σ = 20097650300. Its totient is φ = 5984411760.

The previous prime is 11220772267. The next prime is 11220772289. The reversal of 11220772275 is 57227702211.

It is a happy number.

11220772275 is a `hidden beast` number, since 112 + 207 + 72 + 275 = 666.

It is not a de Polignac number, because 11220772275 - 2³ = 11220772267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24934825 + ... + 24935274.

Almost surely, 2^11220772275 is an apocalyptic number.

11220772275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11220772275 is a deficient number, since it is larger than the sum of its proper divisors (8876878025).

11220772275 is a wasteful number, since it uses less digits than its factorization.

11220772275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49870115 (or 49870107 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 11220772275 in words is "eleven billion, two hundred twenty million, seven hundred seventy-two thousand, two hundred seventy-five".