26381109316 has 12 divisors (see below), whose sum is σ = 46187056188. Its totient is φ = 13184807552.

The previous prime is 26381109311. The next prime is 26381109389. The reversal of 26381109316 is 61390118362.

It can be written as a sum of positive squares in 2 ways, for example, as 5521084416 + 20860024900 = 74304^2 + 144430^2 .

It is not an unprimeable number, because it can be changed into a prime (26381109311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426441 + ... + 1444816.

It is an arithmetic number, because the mean of its divisors is an integer number (3848921349).

Almost surely, 2^26381109316 is an apocalyptic number.

It is an amenable number.

26381109316 is a deficient number, since it is larger than the sum of its proper divisors (19805946872).

26381109316 is a wasteful number, since it uses less digits than its factorization.

26381109316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873558 (or 2873556 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 26381109316 in words is "twenty-six billion, three hundred eighty-one million, one hundred nine thousand, three hundred sixteen".