11111425203252 has 48 divisors (see below), whose sum is σ = 28283977354752. Its totient is φ = 3367056931680.

The previous prime is 11111425203217. The next prime is 11111425203317. The reversal of 11111425203252 is 25230252411111.

It is a super-2 number, since 2×11111425203252² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11196393 + ... + 12148335.

It is an arithmetic number, because the mean of its divisors is an integer number (589249528224).

Almost surely, 2^{11111425203252} is an apocalyptic number.

11111425203252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111425203252 is an abundant number, since it is smaller than the sum of its proper divisors (17172552151500).

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

11111425203252 is a wasteful number, since it uses less digits than its factorization.

11111425203252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040388 (or 1040386 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 11111425203252 its reverse (25230252411111), we get a palindrome (36341677614363).

The spelling of 11111425203252 in words is "eleven trillion, one hundred eleven billion, four hundred twenty-five million, two hundred three thousand, two hundred fifty-two".