26051191 has 8 divisors (see below), whose sum is σ = 28473984. Its totient is φ = 23727360.

The previous prime is 26051189. The next prime is 26051197. The reversal of 26051191 is 19115062.

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

It is a cyclic number.

It is not a de Polignac number, because 26051191 - 2¹ = 26051189 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 (26051197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24190 + ... + 25243.

It is an arithmetic number, because the mean of its divisors is an integer number (3559248).

Almost surely, 2^26051191 is an apocalyptic number.

26051191 is a deficient number, since it is larger than the sum of its proper divisors (2422793).

26051191 is a wasteful number, since it uses less digits than its factorization.

26051191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49481.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 26051191 is about 5104.0367357612. The cubic root of 26051191 is about 296.4439064764.

The spelling of 26051191 in words is "twenty-six million, fifty-one thousand, one hundred ninety-one".