18553091119 has 16 divisors (see below), whose sum is σ = 18999271872. Its totient is φ = 18110746368.

The previous prime is 18553091107. The next prime is 18553091143. The reversal of 18553091119 is 91119035581.

It is a cyclic number.

It is not a de Polignac number, because 18553091119 - 2⁵ = 18553091087 is a prime.

It is a super-2 number, since 2×18553091119² (a number of 21 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 (18553092119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10582747 + ... + 10584499.

It is an arithmetic number, because the mean of its divisors is an integer number (1187454492).

Almost surely, 2^18553091119 is an apocalyptic number.

18553091119 is a deficient number, since it is larger than the sum of its proper divisors (446180753).

18553091119 is a wasteful number, since it uses less digits than its factorization.

18553091119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 48600, while the sum is 43.

The spelling of 18553091119 in words is "eighteen billion, five hundred fifty-three million, ninety-one thousand, one hundred nineteen".