113412440237 has 2 divisors, whose sum is σ = 113412440238. Its totient is φ = 113412440236.

The previous prime is 113412440177. The next prime is 113412440413. The reversal of 113412440237 is 732044214311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89012125801 + 24400314436 = 298349^2 + 156206^2 .

It is a cyclic number.

It is not a de Polignac number, because 113412440237 - 2⁶ = 113412440173 is a prime.

It is a super-2 number, since 2×113412440237² (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 (113412440137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56706220118 + 56706220119.

It is an arithmetic number, because the mean of its divisors is an integer number (56706220119).

Almost surely, 2^113412440237 is an apocalyptic number.

It is an amenable number.

113412440237 is a deficient number, since it is larger than the sum of its proper divisors (1).

113412440237 is an equidigital number, since it uses as much as digits as its factorization.

113412440237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 113412440237 its reverse (732044214311), we get a palindrome (845456654548).

The spelling of 113412440237 in words is "one hundred thirteen billion, four hundred twelve million, four hundred forty thousand, two hundred thirty-seven".