26325563061553 has 16 divisors (see below), whose sum is σ = 31069984706560. Its totient is φ = 21827662174800.

The previous prime is 26325563061439. The next prime is 26325563061569. The reversal of 26325563061553 is 35516036552362.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26325563061553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26325563061553.

It is not an unprimeable number, because it can be changed into a prime (26325563061353) 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, 25068783 + ... + 26097796.

It is an arithmetic number, because the mean of its divisors is an integer number (1941874044160).

Almost surely, 2^{26325563061553} is an apocalyptic number.

It is an amenable number.

26325563061553 is a deficient number, since it is larger than the sum of its proper divisors (4744421645007).

26325563061553 is a wasteful number, since it uses less digits than its factorization.

26325563061553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51168988.

The product of its (nonzero) digits is 14580000, while the sum is 52.

The spelling of 26325563061553 in words is "twenty-six trillion, three hundred twenty-five billion, five hundred sixty-three million, sixty-one thousand, five hundred fifty-three".