18003761141 has 4 divisors (see below), whose sum is σ = 19062805932. Its totient is φ = 16944716352.

The previous prime is 18003761101. The next prime is 18003761147. The reversal of 18003761141 is 14116730081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14116730081 = 3851 ⋅3665731.

It can be written as a sum of positive squares in 2 ways, for example, as 7215822916 + 10787938225 = 84946^2 + 103865^2 .

It is a cyclic number.

It is not a de Polignac number, because 18003761141 - 2¹⁴ = 18003744757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18003761098 and 18003761107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18003761147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529522370 + ... + 529522403.

It is an arithmetic number, because the mean of its divisors is an integer number (4765701483).

Almost surely, 2^18003761141 is an apocalyptic number.

It is an amenable number.

18003761141 is a deficient number, since it is larger than the sum of its proper divisors (1059044791).

18003761141 is a wasteful number, since it uses less digits than its factorization.

18003761141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059044790.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 18003761141 in words is "eighteen billion, three million, seven hundred sixty-one thousand, one hundred forty-one".