18141279025 has 12 divisors (see below), whose sum is σ = 22533526512. Its totient is φ = 14488287440.

The previous prime is 18141278993. The next prime is 18141279029. The reversal of 18141279025 is 52097214181.

It is not a de Polignac number, because 18141279025 - 2⁵ = 18141278993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18141279029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603427 + ... + 632776.

It is an arithmetic number, because the mean of its divisors is an integer number (1877793876).

Almost surely, 2^18141279025 is an apocalyptic number.

It is an amenable number.

18141279025 is a deficient number, since it is larger than the sum of its proper divisors (4392247487).

18141279025 is a wasteful number, since it uses less digits than its factorization.

18141279025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236800 (or 1236795 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 18141279025 in words is "eighteen billion, one hundred forty-one million, two hundred seventy-nine thousand, twenty-five".