1111253103252 has 72 divisors (see below), whose sum is σ = 2873138375016. Its totient is φ = 362014408704.

The previous prime is 1111253103239. The next prime is 1111253103281. The reversal of 1111253103252 is 2523013521111.

1111253103252 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 25 + 310 + 325 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 486514620036 + 624738483216 = 697506^2 + 790404^2 .

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 23 ways as a sum of consecutive naturals, for example, 642753 + ... + 1623464.

It is an arithmetic number, because the mean of its divisors is an integer number (39904699653).

Almost surely, 2^{1111253103252} is an apocalyptic number.

1111253103252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111253103252 is an abundant number, since it is smaller than the sum of its proper divisors (1761885271764).

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

1111253103252 is a wasteful number, since it uses less digits than its factorization.

1111253103252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266537 (or 2266532 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 1111253103252 its reverse (2523013521111), we get a palindrome (3634266624363).

The spelling of 1111253103252 in words is "one trillion, one hundred eleven billion, two hundred fifty-three million, one hundred three thousand, two hundred fifty-two".