26556103210645 has 16 divisors (see below), whose sum is σ = 32023834018560. Its totient is φ = 21140671204800.

The previous prime is 26556103210639. The next prime is 26556103210717. The reversal of 26556103210645 is 54601230165562.

It is not a de Polignac number, because 26556103210645 - 2¹¹ = 26556103208597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26556103210595 and 26556103210604.

It is a congruent number.

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, 6395571 + ... + 9696160.

It is an arithmetic number, because the mean of its divisors is an integer number (2001489626160).

Almost surely, 2^{26556103210645} is an apocalyptic number.

It is an amenable number.

26556103210645 is a deficient number, since it is larger than the sum of its proper divisors (5467730807915).

26556103210645 is a wasteful number, since it uses less digits than its factorization.

26556103210645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093356.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 26556103210645 in words is "twenty-six trillion, five hundred fifty-six billion, one hundred three million, two hundred ten thousand, six hundred forty-five".