26454556801 has 4 divisors (see below), whose sum is σ = 26506530900. Its totient is φ = 26402582704.

The previous prime is 26454556763. The next prime is 26454556847. The reversal of 26454556801 is 10865545462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10865545462 = 2 ⋅5432772731.

It can be written as a sum of positive squares in 2 ways, for example, as 14047938576 + 12406618225 = 118524^2 + 111385^2 .

It is a cyclic number.

It is not a de Polignac number, because 26454556801 - 2²³ = 26446168193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26454506801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25986286 + ... + 25987303.

It is an arithmetic number, because the mean of its divisors is an integer number (6626632725).

Almost surely, 2^26454556801 is an apocalyptic number.

It is an amenable number.

26454556801 is a deficient number, since it is larger than the sum of its proper divisors (51974099).

26454556801 is an equidigital number, since it uses as much as digits as its factorization.

26454556801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51974098.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 26454556801 in words is "twenty-six billion, four hundred fifty-four million, five hundred fifty-six thousand, eight hundred one".