18260224415 has 4 divisors (see below), whose sum is σ = 21912269304. Its totient is φ = 14608179528.

The previous prime is 18260224391. The next prime is 18260224481. The reversal of 18260224415 is 51442206281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51442206281 = 107 ⋅480768283.

It is a cyclic number.

It is not a de Polignac number, because 18260224415 - 2⁶ = 18260224351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826022437 + ... + 1826022446.

It is an arithmetic number, because the mean of its divisors is an integer number (5478067326).

Almost surely, 2^18260224415 is an apocalyptic number.

18260224415 is a deficient number, since it is larger than the sum of its proper divisors (3652044889).

18260224415 is an equidigital number, since it uses as much as digits as its factorization.

18260224415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652044888.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 18260224415 in words is "eighteen billion, two hundred sixty million, two hundred twenty-four thousand, four hundred fifteen".