11112251552 has 96 divisors (see below), whose sum is σ = 24293682000. Its totient is φ = 4979294208.

The previous prime is 11112251543. The next prime is 11112251561. The reversal of 11112251552 is 25515221111.

It is an interprime number because it is at equal distance from previous prime (11112251543) and next prime (11112251561).

It can be written as a sum of positive squares in 8 ways, for example, as 5194949776 + 5917301776 = 72076^2 + 76924^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146824 + ... + 1156472.

Almost surely, 2^11112251552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112251552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12146841000).

11112251552 is an abundant number, since it is smaller than the sum of its proper divisors (13181430448).

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

11112251552 is a wasteful number, since it uses less digits than its factorization.

11112251552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9778 (or 9770 counting only the distinct ones).

The product of its digits is 1000, while the sum is 26.

Adding to 11112251552 its reverse (25515221111), we get a palindrome (36627472663).

The spelling of 11112251552 in words is "eleven billion, one hundred twelve million, two hundred fifty-one thousand, five hundred fifty-two".