1318154611 has 2 divisors, whose sum is σ = 1318154612. Its totient is φ = 1318154610.

The previous prime is 1318154609. The next prime is 1318154639. The reversal of 1318154611 is 1164518131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1318154611 - 2¹ = 1318154609 is a prime.

It is a super-2 number, since 2×1318154611² = 3475063157001122642, which contains 22 as substring.

Together with 1318154609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1318154641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659077305 + 659077306.

It is an arithmetic number, because the mean of its divisors is an integer number (659077306).

Almost surely, 2^1318154611 is an apocalyptic number.

1318154611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318154611 is an equidigital number, since it uses as much as digits as its factorization.

1318154611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 31.

The square root of 1318154611 is about 36306.3990365335. The cubic root of 1318154611 is about 1096.4498800781.

The spelling of 1318154611 in words is "one billion, three hundred eighteen million, one hundred fifty-four thousand, six hundred eleven".