11242786275 has 144 divisors (see below), whose sum is σ = 23856568320. Its totient is φ = 4952793600.

The previous prime is 11242786271. The next prime is 11242786297. The reversal of 11242786275 is 57268724211.

11242786275 is a `hidden beast` number, since 1 + 12 + 4 + 2 + 7 + 8 + 627 + 5 = 666.

It is not a de Polignac number, because 11242786275 - 2² = 11242786271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11242786275.

It is not an unprimeable number, because it can be changed into a prime (11242786271) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19969144 + ... + 19969706.

Almost surely, 2^11242786275 is an apocalyptic number.

11242786275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11242786275 is an abundant number, since it is smaller than the sum of its proper divisors (12613782045).

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

11242786275 is a wasteful number, since it uses less digits than its factorization.

11242786275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1018 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The spelling of 11242786275 in words is "eleven billion, two hundred forty-two million, seven hundred eighty-six thousand, two hundred seventy-five".