26361320145 has 16 divisors (see below), whose sum is σ = 42193897152. Its totient is φ = 14054109120.

The previous prime is 26361320123. The next prime is 26361320159. The reversal of 26361320145 is 54102316362.

It is not a de Polignac number, because 26361320145 - 2⁷ = 26361320017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287266 + ... + 367755.

It is an arithmetic number, because the mean of its divisors is an integer number (2637118572).

Almost surely, 2^26361320145 is an apocalyptic number.

It is an amenable number.

26361320145 is a deficient number, since it is larger than the sum of its proper divisors (15832577007).

26361320145 is a wasteful number, since it uses less digits than its factorization.

26361320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657712.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 26361320145 in words is "twenty-six billion, three hundred sixty-one million, three hundred twenty thousand, one hundred forty-five".