18119755 has 4 divisors (see below), whose sum is σ = 21743712. Its totient is φ = 14495800.

The previous prime is 18119743. The next prime is 18119771. The reversal of 18119755 is 55791181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55791181 = 643 ⋅86767.

It is not a de Polignac number, because 18119755 - 2⁷ = 18119627 is a prime.

It is a Duffinian 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, 1811971 + ... + 1811980.

It is an arithmetic number, because the mean of its divisors is an integer number (5435928).

Almost surely, 2^18119755 is an apocalyptic number.

18119755 is a deficient number, since it is larger than the sum of its proper divisors (3623957).

18119755 is an equidigital number, since it uses as much as digits as its factorization.

18119755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623956.

The product of its digits is 12600, while the sum is 37.

The square root of 18119755 is about 4256.7305529009. The cubic root of 18119755 is about 262.6540531862.

The spelling of 18119755 in words is "eighteen million, one hundred nineteen thousand, seven hundred fifty-five".