26121040986 has 8 divisors (see below), whose sum is σ = 52242081984. Its totient is φ = 8707013660.

The previous prime is 26121040969. The next prime is 26121041003. The reversal of 26121040986 is 68904012162.

It is an interprime number because it is at equal distance from previous prime (26121040969) and next prime (26121041003).

It is a sphenic number, since it is the product of 3 distinct primes.

26121040986 is an admirable number.

It is an unprimeable number.

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, 2176753410 + ... + 2176753421.

It is an arithmetic number, because the mean of its divisors is an integer number (6530260248).

Almost surely, 2^26121040986 is an apocalyptic number.

26121040986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26121040986 is a wasteful number, since it uses less digits than its factorization.

26121040986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353506836.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 26121040986 in words is "twenty-six billion, one hundred twenty-one million, forty thousand, nine hundred eighty-six".