111540332473 has 2 divisors, whose sum is σ = 111540332474. Its totient is φ = 111540332472.

The previous prime is 111540332467. The next prime is 111540332537. The reversal of 111540332473 is 374233045111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81106483264 + 30433849209 = 284792^2 + 174453^2 .

It is a cyclic number.

It is not a de Polignac number, because 111540332473 - 2¹⁷ = 111540201401 is a prime.

It is not a weakly prime, because it can be changed into another prime (111540332443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55770166236 + 55770166237.

It is an arithmetic number, because the mean of its divisors is an integer number (55770166237).

Almost surely, 2^111540332473 is an apocalyptic number.

It is an amenable number.

111540332473 is a deficient number, since it is larger than the sum of its proper divisors (1).

111540332473 is an equidigital number, since it uses as much as digits as its factorization.

111540332473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 111540332473 its reverse (374233045111), we get a palindrome (485773377584).

The spelling of 111540332473 in words is "one hundred eleven billion, five hundred forty million, three hundred thirty-two thousand, four hundred seventy-three".