18112154922546 has 8 divisors (see below), whose sum is σ = 36224309845104. Its totient is φ = 6037384974180.

The previous prime is 18112154922487. The next prime is 18112154922571. The reversal of 18112154922546 is 64522945121181.

It is a sphenic number, since it is the product of 3 distinct primes.

18112154922546 is an admirable 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, 1509346243540 + ... + 1509346243551.

It is an arithmetic number, because the mean of its divisors is an integer number (4528038730638).

Almost surely, 2^{18112154922546} is an apocalyptic number.

18112154922546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18112154922546 is a wasteful number, since it uses less digits than its factorization.

18112154922546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018692487096.

The product of its digits is 1382400, while the sum is 51.

The spelling of 18112154922546 in words is "eighteen trillion, one hundred twelve billion, one hundred fifty-four million, nine hundred twenty-two thousand, five hundred forty-six".