5618129911 has 2 divisors, whose sum is σ = 5618129912. Its totient is φ = 5618129910.

The previous prime is 5618129897. The next prime is 5618129971. The reversal of 5618129911 is 1199218165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5618129911 - 2⁵ = 5618129879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5618129971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809064955 + 2809064956.

It is an arithmetic number, because the mean of its divisors is an integer number (2809064956).

Almost surely, 2^5618129911 is an apocalyptic number.

5618129911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618129911 is an equidigital number, since it uses as much as digits as its factorization.

5618129911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 43.

The square root of 5618129911 is about 74954.1854134911. The cubic root of 5618129911 is about 1777.7223225061.

The spelling of 5618129911 in words is "five billion, six hundred eighteen million, one hundred twenty-nine thousand, nine hundred eleven".