18534114851 has 16 divisors (see below), whose sum is σ = 22899298560. Its totient is φ = 14643491040.

The previous prime is 18534114847. The next prime is 18534114857. The reversal of 18534114851 is 15841143581.

It is a cyclic number.

It is not a de Polignac number, because 18534114851 - 2² = 18534114847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18534114799 and 18534114808.

It is not an unprimeable number, because it can be changed into a prime (18534114857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878245 + ... + 1888086.

It is an arithmetic number, because the mean of its divisors is an integer number (1431206160).

Almost surely, 2^18534114851 is an apocalyptic number.

18534114851 is a deficient number, since it is larger than the sum of its proper divisors (4365183709).

18534114851 is a wasteful number, since it uses less digits than its factorization.

18534114851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766394.

The product of its digits is 76800, while the sum is 41.

The spelling of 18534114851 in words is "eighteen billion, five hundred thirty-four million, one hundred fourteen thousand, eight hundred fifty-one".