11255110512 has 80 divisors (see below), whose sum is σ = 29924668032. Its totient is φ = 3642589440.

The previous prime is 11255110469. The next prime is 11255110561. The reversal of 11255110512 is 21501155211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865563 + ... + 878469.

Almost surely, 2^11255110512 is an apocalyptic number.

11255110512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11255110512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14962334016).

11255110512 is an abundant number, since it is smaller than the sum of its proper divisors (18669557520).

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

11255110512 is a wasteful number, since it uses less digits than its factorization.

11255110512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446 (or 13440 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 11255110512 its reverse (21501155211), we get a palindrome (32756265723).

The spelling of 11255110512 in words is "eleven billion, two hundred fifty-five million, one hundred ten thousand, five hundred twelve".