26101760261 has 4 divisors (see below), whose sum is σ = 26118810624. Its totient is φ = 26084709900.

The previous prime is 26101760221. The next prime is 26101760273. The reversal of 26101760261 is 16206710162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26101760261 - 2¹⁰ = 26101759237 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 (26101760221) 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 3 ways as a sum of consecutive naturals, for example, 8522885 + ... + 8525946.

It is an arithmetic number, because the mean of its divisors is an integer number (6529702656).

Almost surely, 2^26101760261 is an apocalyptic number.

It is an amenable number.

26101760261 is a deficient number, since it is larger than the sum of its proper divisors (17050363).

26101760261 is a wasteful number, since it uses less digits than its factorization.

26101760261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050362.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 26101760261 in words is "twenty-six billion, one hundred one million, seven hundred sixty thousand, two hundred sixty-one".