18750581141 has 2 divisors, whose sum is σ = 18750581142. Its totient is φ = 18750581140.

The previous prime is 18750581123. The next prime is 18750581147. The reversal of 18750581141 is 14118505781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14851078225 + 3899502916 = 121865^2 + 62446^2 .

It is a cyclic number.

It is not a de Polignac number, because 18750581141 - 2⁶ = 18750581077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18750581147) 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 as a sum of consecutive naturals, namely, 9375290570 + 9375290571.

It is an arithmetic number, because the mean of its divisors is an integer number (9375290571).

Almost surely, 2^18750581141 is an apocalyptic number.

It is an amenable number.

18750581141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18750581141 is an equidigital number, since it uses as much as digits as its factorization.

18750581141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 41.

The spelling of 18750581141 in words is "eighteen billion, seven hundred fifty million, five hundred eighty-one thousand, one hundred forty-one".