18135541275254 has 8 divisors (see below), whose sum is σ = 29295874367760. Its totient is φ = 8370249819336.

The previous prime is 18135541275223. The next prime is 18135541275259. The reversal of 18135541275254 is 45257214553181.

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

It is a junction number, because it is equal to n+sod(n) for n = 18135541275196 and 18135541275205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18135541275259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348760409114 + ... + 348760409165.

It is an arithmetic number, because the mean of its divisors is an integer number (3661984295970).

Almost surely, 2^{18135541275254} is an apocalyptic number.

18135541275254 is a deficient number, since it is larger than the sum of its proper divisors (11160333092506).

18135541275254 is a wasteful number, since it uses less digits than its factorization.

18135541275254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697520818294.

The product of its digits is 6720000, while the sum is 53.

The spelling of 18135541275254 in words is "eighteen trillion, one hundred thirty-five billion, five hundred forty-one million, two hundred seventy-five thousand, two hundred fifty-four".