112503123581 has 2 divisors, whose sum is σ = 112503123582. Its totient is φ = 112503123580.

The previous prime is 112503123569. The next prime is 112503123637. The reversal of 112503123581 is 185321305211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109919434681 + 2583688900 = 331541^2 + 50830^2 .

It is a cyclic number.

It is not a de Polignac number, because 112503123581 - 2¹⁸ = 112502861437 is a prime.

It is a super-2 number, since 2×112503123581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112503123521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56251561790 + 56251561791.

It is an arithmetic number, because the mean of its divisors is an integer number (56251561791).

Almost surely, 2^112503123581 is an apocalyptic number.

It is an amenable number.

112503123581 is a deficient number, since it is larger than the sum of its proper divisors (1).

112503123581 is an equidigital number, since it uses as much as digits as its factorization.

112503123581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 112503123581 its reverse (185321305211), we get a palindrome (297824428792).

The spelling of 112503123581 in words is "one hundred twelve billion, five hundred three million, one hundred twenty-three thousand, five hundred eighty-one".