18029360661119 has 4 divisors (see below), whose sum is σ = 18276338204496. Its totient is φ = 17782383117744.

The previous prime is 18029360661071. The next prime is 18029360661131. The reversal of 18029360661119 is 91116606392081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18029360661119 - 2³⁶ = 17960641184383 is a prime.

It is a super-2 number, since 2×18029360661119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18029360661419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123488771579 + ... + 123488771724.

It is an arithmetic number, because the mean of its divisors is an integer number (4569084551124).

Almost surely, 2^{18029360661119} is an apocalyptic number.

18029360661119 is a deficient number, since it is larger than the sum of its proper divisors (246977543377).

18029360661119 is an equidigital number, since it uses as much as digits as its factorization.

18029360661119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246977543376.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 18029360661119 in words is "eighteen trillion, twenty-nine billion, three hundred sixty million, six hundred sixty-one thousand, one hundred nineteen".