26551304462545 has 8 divisors (see below), whose sum is σ = 31916784709224. Its totient is φ = 21204230667264.

The previous prime is 26551304462497. The next prime is 26551304462561. The reversal of 26551304462545 is 54526440315562.

It can be written as a sum of positive squares in 4 ways, for example, as 6220016048016 + 20331288414529 = 2493996^2 + 4509023^2 .

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 26551304462545 - 2²³ = 26551296073937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26551304462492 and 26551304462501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601609674 + ... + 4601615443.

It is an arithmetic number, because the mean of its divisors is an integer number (3989598088653).

Almost surely, 2^{26551304462545} is an apocalyptic number.

It is an amenable number.

26551304462545 is a deficient number, since it is larger than the sum of its proper divisors (5365480246679).

26551304462545 is an equidigital number, since it uses as much as digits as its factorization.

26551304462545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203225699.

The product of its (nonzero) digits is 17280000, while the sum is 52.

The spelling of 26551304462545 in words is "twenty-six trillion, five hundred fifty-one billion, three hundred four million, four hundred sixty-two thousand, five hundred forty-five".