13830118261 has 2 divisors, whose sum is σ = 13830118262. Its totient is φ = 13830118260.

The previous prime is 13830118229. The next prime is 13830118327. The reversal of 13830118261 is 16281103831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7510822225 + 6319296036 = 86665^2 + 79494^2 .

It is an emirp because it is prime and its reverse (16281103831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13830118261 - 2⁵ = 13830118229 is a prime.

It is a super-2 number, since 2×13830118261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13830113261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915059130 + 6915059131.

It is an arithmetic number, because the mean of its divisors is an integer number (6915059131).

Almost surely, 2^13830118261 is an apocalyptic number.

It is an amenable number.

13830118261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830118261 is an equidigital number, since it uses as much as digits as its factorization.

13830118261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 13830118261 in words is "thirteen billion, eight hundred thirty million, one hundred eighteen thousand, two hundred sixty-one".