18411007007 has 4 divisors (see below), whose sum is σ = 18712826856. Its totient is φ = 18109187160.

The previous prime is 18411007001. The next prime is 18411007009. The reversal of 18411007007 is 70070011481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70070011481 = 31 ⋅2260322951.

It is a cyclic number.

It is not a de Polignac number, because 18411007007 - 2⁸ = 18411006751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18411007001) 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, 150909833 + ... + 150909954.

It is an arithmetic number, because the mean of its divisors is an integer number (4678206714).

Almost surely, 2^18411007007 is an apocalyptic number.

18411007007 is a deficient number, since it is larger than the sum of its proper divisors (301819849).

18411007007 is an equidigital number, since it uses as much as digits as its factorization.

18411007007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301819848.

The product of its (nonzero) digits is 1568, while the sum is 29.

Adding to 18411007007 its reverse (70070011481), we get a palindrome (88481018488).

The spelling of 18411007007 in words is "eighteen billion, four hundred eleven million, seven thousand, seven".