11252000000 has 252 divisors, whose sum is σ = 29342202540. Its totient is φ = 4300800000.

The previous prime is 11251999999. The next prime is 11252000021. The reversal of 11252000000 is 25211.

It can be written as a sum of positive squares in 14 ways, for example, as 9219072256 + 2032927744 = 96016^2 + 45088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 115999952 + ... + 116000048.

Almost surely, 2^11252000000 is an apocalyptic number.

11252000000 is a gapful number since it is divisible by the number (10) 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 11252000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14671101270).

11252000000 is an abundant number, since it is smaller than the sum of its proper divisors (18090202540).

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

11252000000 is an frugal number, since it uses more digits than its factorization.

11252000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

Adding to 11252000000 its reverse (25211), we get a palindrome (11252025211).

The spelling of 11252000000 in words is "eleven billion, two hundred fifty-two million", and thus it is an aban number.