26047054881 has 27 divisors (see below), whose sum is σ = 39347273329. Its totient is φ = 16602614952.

The previous prime is 26047054807. The next prime is 26047054907. The reversal of 26047054881 is 18845074062.

The square root of 26047054881 is 161391.

It is a perfect power (a square), and thus also a powerful number.

26047054881 is a `hidden beast` number, since 2 + 60 + 47 + 0 + 548 + 8 + 1 = 666.

It is not a de Polignac number, because 26047054881 - 2¹¹ = 26047052833 is a prime.

It is a super-2 number, since 2×26047054881² (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 (26047054801) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11134810 + ... + 11137148.

Almost surely, 2^26047054881 is an apocalyptic number.

26047054881 is the 161391-st square number.

26047054881 is the 80696-th centered octagonal number.

It is an amenable number.

26047054881 is a deficient number, since it is larger than the sum of its proper divisors (13300218448).

26047054881 is an frugal number, since it uses more digits than its factorization.

26047054881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 26047054881 in words is "twenty-six billion, forty-seven million, fifty-four thousand, eight hundred eighty-one".