2111244253425 has 36 divisors (see below), whose sum is σ = 3781556407980. Its totient is φ = 1125972111360.

The previous prime is 2111244253423. The next prime is 2111244253427. The reversal of 2111244253425 is 5243524421112.

2111244253425 is a `hidden beast` number, since 2 + 1 + 112 + 4 + 4 + 2 + 534 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2111244253423) and next prime (2111244253427).

It can be written as a sum of positive squares in 6 ways, for example, as 79618780224 + 2031625473201 = 282168^2 + 1425351^2 .

It is not a de Polignac number, because 2111244253425 - 2¹ = 2111244253423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111244253425.

It is not an unprimeable number, because it can be changed into a prime (2111244253423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15043177 + ... + 15182873.

It is an arithmetic number, because the mean of its divisors is an integer number (105043233555).

Almost surely, 2^{2111244253425} is an apocalyptic number.

2111244253425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2111244253425 is a deficient number, since it is larger than the sum of its proper divisors (1670312154555).

2111244253425 is a wasteful number, since it uses less digits than its factorization.

2111244253425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206882 (or 206874 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 2111244253425 its reverse (5243524421112), we get a palindrome (7354768674537).

The spelling of 2111244253425 in words is "two trillion, one hundred eleven billion, two hundred forty-four million, two hundred fifty-three thousand, four hundred twenty-five".