11225622552 has 64 divisors (see below), whose sum is σ = 29112652800. Its totient is φ = 3604373760.

The previous prime is 11225622517. The next prime is 11225622553. The reversal of 11225622552 is 25522652211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225622553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5533 + ... + 149939.

It is an arithmetic number, because the mean of its divisors is an integer number (454885200).

Almost surely, 2^11225622552 is an apocalyptic number.

11225622552 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 11225622552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14556326400).

11225622552 is an abundant number, since it is smaller than the sum of its proper divisors (17887030248).

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

11225622552 is a wasteful number, since it uses less digits than its factorization.

11225622552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144536 (or 144532 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The spelling of 11225622552 in words is "eleven billion, two hundred twenty-five million, six hundred twenty-two thousand, five hundred fifty-two".