113240021137 has 2 divisors, whose sum is σ = 113240021138. Its totient is φ = 113240021136.

The previous prime is 113240021113. The next prime is 113240021171. The reversal of 113240021137 is 731120042311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81111609601 + 32128411536 = 284801^2 + 179244^2 .

It is a cyclic number.

It is not a de Polignac number, because 113240021137 - 2¹¹ = 113240019089 is a prime.

It is a super-3 number, since 3×113240021137³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (113240021437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56620010568 + 56620010569.

It is an arithmetic number, because the mean of its divisors is an integer number (56620010569).

Almost surely, 2^113240021137 is an apocalyptic number.

It is an amenable number.

113240021137 is a deficient number, since it is larger than the sum of its proper divisors (1).

113240021137 is an equidigital number, since it uses as much as digits as its factorization.

113240021137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 113240021137 its reverse (731120042311), we get a palindrome (844360063448).

The spelling of 113240021137 in words is "one hundred thirteen billion, two hundred forty million, twenty-one thousand, one hundred thirty-seven".