11255168628 has 72 divisors (see below), whose sum is σ = 31794025536. Its totient is φ = 3327465600.

The previous prime is 11255168591. The next prime is 11255168629. The reversal of 11255168628 is 82686155211.

11255168628 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 5 + 16 + 8 + 628 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255168629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330376 + ... + 362847.

It is an arithmetic number, because the mean of its divisors is an integer number (441583688).

Almost surely, 2^11255168628 is an apocalyptic number.

11255168628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11255168628 is an abundant number, since it is smaller than the sum of its proper divisors (20538856908).

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

11255168628 is a wasteful number, since it uses less digits than its factorization.

11255168628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693285 (or 693280 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The spelling of 11255168628 in words is "eleven billion, two hundred fifty-five million, one hundred sixty-eight thousand, six hundred twenty-eight".