918111041 has 2 divisors, whose sum is σ = 918111042. Its totient is φ = 918111040.

The previous prime is 918110981. The next prime is 918111043. The reversal of 918111041 is 140111819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 799758400 + 118352641 = 28280^2 + 10879^2 .

It is an emirp because it is prime and its reverse (140111819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 918111041 - 2²² = 913916737 is a prime.

It is a super-2 number, since 2×918111041² = 1685855767212207362, which contains 22 as substring.

Together with 918111043, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 918111041.

It is not a weakly prime, because it can be changed into another prime (918111043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459055520 + 459055521.

It is an arithmetic number, because the mean of its divisors is an integer number (459055521).

Almost surely, 2^918111041 is an apocalyptic number.

It is an amenable number.

918111041 is a deficient number, since it is larger than the sum of its proper divisors (1).

918111041 is an equidigital number, since it uses as much as digits as its factorization.

918111041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The square root of 918111041 is about 30300.3472092318. The cubic root of 918111041 is about 971.9227250489.

The spelling of 918111041 in words is "nine hundred eighteen million, one hundred eleven thousand, forty-one".