11255455530 has 96 divisors (see below), whose sum is σ = 32139244800. Its totient is φ = 2710247040.

The previous prime is 11255455529. The next prime is 11255455531. The reversal of 11255455530 is 3555455211.

11255455530 is a `hidden beast` number, since 1 + 1 + 2 + 554 + 55 + 53 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11255455529) and next prime (11255455531).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11255455531) 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, 109359 + ... + 185661.

It is an arithmetic number, because the mean of its divisors is an integer number (334783800).

Almost surely, 2^11255455530 is an apocalyptic number.

11255455530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11255455530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16069622400).

11255455530 is an abundant number, since it is smaller than the sum of its proper divisors (20883789270).

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

11255455530 is a wasteful number, since it uses less digits than its factorization.

11255455530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76476 (or 76473 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 11255455530 in words is "eleven billion, two hundred fifty-five million, four hundred fifty-five thousand, five hundred thirty".