26058891761 has 16 divisors (see below), whose sum is σ = 31816949760. Its totient is φ = 20844766800.

The previous prime is 26058891743. The next prime is 26058891763. The reversal of 26058891761 is 16719885062.

It is a cyclic number.

It is not a de Polignac number, because 26058891761 - 2²² = 26054697457 is a prime.

It is a super-2 number, since 2×26058891761² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26058891763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453265 + ... + 1471086.

It is an arithmetic number, because the mean of its divisors is an integer number (1988559360).

Almost surely, 2^26058891761 is an apocalyptic number.

It is an amenable number.

26058891761 is a deficient number, since it is larger than the sum of its proper divisors (5758057999).

26058891761 is a wasteful number, since it uses less digits than its factorization.

26058891761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924444.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 26058891761 in words is "twenty-six billion, fifty-eight million, eight hundred ninety-one thousand, seven hundred sixty-one".