26454611654065 has 16 divisors (see below), whose sum is σ = 36468592714368. Its totient is φ = 18046313911296.

The previous prime is 26454611654063. The next prime is 26454611654113. The reversal of 26454611654065 is 56045611645462.

It is a cyclic number.

It is not a de Polignac number, because 26454611654065 - 2¹ = 26454611654063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26454611653997 and 26454611654015.

It is not an unprimeable number, because it can be changed into a prime (26454611654063) 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, 1958143627 + ... + 1958157136.

It is an arithmetic number, because the mean of its divisors is an integer number (2279287044648).

Almost surely, 2^{26454611654065} is an apocalyptic number.

It is an amenable number.

26454611654065 is a deficient number, since it is larger than the sum of its proper divisors (10013981060303).

26454611654065 is a wasteful number, since it uses less digits than its factorization.

26454611654065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916300968.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 26454611654065 in words is "twenty-six trillion, four hundred fifty-four billion, six hundred eleven million, six hundred fifty-four thousand, sixty-five".