181150383998879 has 2 divisors, whose sum is σ = 181150383998880. Its totient is φ = 181150383998878.

The previous prime is 181150383998813. The next prime is 181150383998911. The reversal of 181150383998879 is 978899383051181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-181150383998879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181150383998579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90575191999439 + 90575191999440.

It is an arithmetic number, because the mean of its divisors is an integer number (90575191999440).

Almost surely, 2^{181150383998879} is an apocalyptic number.

181150383998879 is a deficient number, since it is larger than the sum of its proper divisors (1).

181150383998879 is an equidigital number, since it uses as much as digits as its factorization.

181150383998879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940584960, while the sum is 80.

The spelling of 181150383998879 in words is "one hundred eighty-one trillion, one hundred fifty billion, three hundred eighty-three million, nine hundred ninety-eight thousand, eight hundred seventy-nine".