26143891118 has 4 divisors (see below), whose sum is σ = 39215836680. Its totient is φ = 13071945558.

The previous prime is 26143891069. The next prime is 26143891159. The reversal of 26143891118 is 81119834162.

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

It is a congruent number.

It is an unprimeable number.

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, 6535972778 + ... + 6535972781.

It is an arithmetic number, because the mean of its divisors is an integer number (9803959170).

Almost surely, 2^26143891118 is an apocalyptic number.

26143891118 is a deficient number, since it is larger than the sum of its proper divisors (13071945562).

26143891118 is a wasteful number, since it uses less digits than its factorization.

26143891118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071945561.

The product of its digits is 82944, while the sum is 44.

The spelling of 26143891118 in words is "twenty-six billion, one hundred forty-three million, eight hundred ninety-one thousand, one hundred eighteen".