18157300541 has 2 divisors, whose sum is σ = 18157300542. Its totient is φ = 18157300540.

The previous prime is 18157300523. The next prime is 18157300547. The reversal of 18157300541 is 14500375181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16693932025 + 1463368516 = 129205^2 + 38254^2 .

It is a cyclic number.

It is not a de Polignac number, because 18157300541 - 2⁶ = 18157300477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18157300547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9078650270 + 9078650271.

It is an arithmetic number, because the mean of its divisors is an integer number (9078650271).

Almost surely, 2^18157300541 is an apocalyptic number.

It is an amenable number.

18157300541 is a deficient number, since it is larger than the sum of its proper divisors (1).

18157300541 is an equidigital number, since it uses as much as digits as its factorization.

18157300541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 18157300541 in words is "eighteen billion, one hundred fifty-seven million, three hundred thousand, five hundred forty-one".