2112631541 has 2 divisors, whose sum is σ = 2112631542. Its totient is φ = 2112631540.

The previous prime is 2112631519. The next prime is 2112631567. The reversal of 2112631541 is 1451362112.

It is an a-pointer prime, because the next prime (2112631567) can be obtained adding 2112631541 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1966922500 + 145709041 = 44350^2 + 12071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112631541 - 2³⁰ = 1038889717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112631541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112631501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056315770 + 1056315771.

It is an arithmetic number, because the mean of its divisors is an integer number (1056315771).

Almost surely, 2^2112631541 is an apocalyptic number.

It is an amenable number.

2112631541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112631541 is an equidigital number, since it uses as much as digits as its factorization.

2112631541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 2112631541 is about 45963.3717322827. The cubic root of 2112631541 is about 1283.1416036878.

Adding to 2112631541 its reverse (1451362112), we get a palindrome (3563993653).

The spelling of 2112631541 in words is "two billion, one hundred twelve million, six hundred thirty-one thousand, five hundred forty-one".