18060825405 has 32 divisors (see below), whose sum is σ = 33566923008. Its totient is φ = 8121024000.

The previous prime is 18060825361. The next prime is 18060825413. The reversal of 18060825405 is 50452806081.

It is not a de Polignac number, because 18060825405 - 2¹⁴ = 18060809021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403496 + ... + 1416305.

It is an arithmetic number, because the mean of its divisors is an integer number (1048966344).

Almost surely, 2^18060825405 is an apocalyptic number.

18060825405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18060825405 is a deficient number, since it is larger than the sum of its proper divisors (15506097603).

18060825405 is a wasteful number, since it uses less digits than its factorization.

18060825405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819877.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 18060825405 in words is "eighteen billion, sixty million, eight hundred twenty-five thousand, four hundred five".