45115111 has 2 divisors, whose sum is σ = 45115112. Its totient is φ = 45115110.

The previous prime is 45115073. The next prime is 45115141. The reversal of 45115111 is 11151154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45115111 - 2¹⁵ = 45082343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45115141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22557555 + 22557556.

It is an arithmetic number, because the mean of its divisors is an integer number (22557556).

Almost surely, 2^45115111 is an apocalyptic number.

45115111 is a deficient number, since it is larger than the sum of its proper divisors (1).

45115111 is an equidigital number, since it uses as much as digits as its factorization.

45115111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100, while the sum is 19.

The square root of 45115111 is about 6716.7783199984. The cubic root of 45115111 is about 355.9923592814.

Adding to 45115111 its reverse (11151154), we get a palindrome (56266265).

It can be divided in two parts, 4 and 5115111, that added together give a palindrome (5115115).

The spelling of 45115111 in words is "forty-five million, one hundred fifteen thousand, one hundred eleven".