18148779225583 has 2 divisors, whose sum is σ = 18148779225584. Its totient is φ = 18148779225582.

The previous prime is 18148779225541. The next prime is 18148779225593. The reversal of 18148779225583 is 38552297784181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18148779225583 - 2¹³ = 18148779217391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18148779225593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9074389612791 + 9074389612792.

It is an arithmetic number, because the mean of its divisors is an integer number (9074389612792).

Almost surely, 2^{18148779225583} is an apocalyptic number.

18148779225583 is a deficient number, since it is larger than the sum of its proper divisors (1).

18148779225583 is an equidigital number, since it uses as much as digits as its factorization.

18148779225583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270950400, while the sum is 70.

The spelling of 18148779225583 in words is "eighteen trillion, one hundred forty-eight billion, seven hundred seventy-nine million, two hundred twenty-five thousand, five hundred eighty-three".