11239530255 has 48 divisors (see below), whose sum is σ = 19645385760. Its totient is φ = 5944320000.

The previous prime is 11239530251. The next prime is 11239530301. The reversal of 11239530255 is 55203593211.

11239530255 is a `hidden beast` number, since 1 + 12 + 395 + 3 + 0 + 255 = 666.

It is not a de Polignac number, because 11239530255 - 2² = 11239530251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11239530251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2720031 + ... + 2724159.

It is an arithmetic number, because the mean of its divisors is an integer number (409278870).

Almost surely, 2^11239530255 is an apocalyptic number.

11239530255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11239530255 is a deficient number, since it is larger than the sum of its proper divisors (8405855505).

11239530255 is a wasteful number, since it uses less digits than its factorization.

11239530255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 11239530255 in words is "eleven billion, two hundred thirty-nine million, five hundred thirty thousand, two hundred fifty-five".