298940138111 has 4 divisors (see below), whose sum is σ = 298944322392. Its totient is φ = 298935953832.

The previous prime is 298940138089. The next prime is 298940138129. The reversal of 298940138111 is 111831049892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298940138111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298940138131) 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, 1983080 + ... + 2128493.

It is an arithmetic number, because the mean of its divisors is an integer number (74736080598).

Almost surely, 2^298940138111 is an apocalyptic number.

298940138111 is a deficient number, since it is larger than the sum of its proper divisors (4184281).

298940138111 is an equidigital number, since it uses as much as digits as its factorization.

298940138111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184280.

The product of its (nonzero) digits is 124416, while the sum is 47.

The spelling of 298940138111 in words is "two hundred ninety-eight billion, nine hundred forty million, one hundred thirty-eight thousand, one hundred eleven".