18254558810892 has 12 divisors (see below), whose sum is σ = 42593970558776. Its totient is φ = 6084852936960.

The previous prime is 18254558810849. The next prime is 18254558810963. The reversal of 18254558810892 is 29801885545281.

It is a tau number, because it is divible by the number of its divisors (12).

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, 760606617109 + ... + 760606617132.

Almost surely, 2^{18254558810892} is an apocalyptic number.

18254558810892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18254558810892 is an abundant number, since it is smaller than the sum of its proper divisors (24339411747884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18254558810892 is a wasteful number, since it uses less digits than its factorization.

18254558810892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521213234248 (or 1521213234246 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 66.

The spelling of 18254558810892 in words is "eighteen trillion, two hundred fifty-four billion, five hundred fifty-eight million, eight hundred ten thousand, eight hundred ninety-two".