112131553 has 2 divisors, whose sum is σ = 112131554. Its totient is φ = 112131552.

The previous prime is 112131533. The next prime is 112131563. The reversal of 112131553 is 355131211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110838784 + 1292769 = 10528^2 + 1137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112131553 is a prime.

It is not a weakly prime, because it can be changed into another prime (112131533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065776 + 56065777.

It is an arithmetic number, because the mean of its divisors is an integer number (56065777).

Almost surely, 2^112131553 is an apocalyptic number.

It is an amenable number.

112131553 is a deficient number, since it is larger than the sum of its proper divisors (1).

112131553 is an equidigital number, since it uses as much as digits as its factorization.

112131553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 22.

The square root of 112131553 is about 10589.2187152783. The cubic root of 112131553 is about 482.2171060423.

Adding to 112131553 its reverse (355131211), we get a palindrome (467262764).

The spelling of 112131553 in words is "one hundred twelve million, one hundred thirty-one thousand, five hundred fifty-three".