26206397306201 has 4 divisors (see below), whose sum is σ = 29950168349952. Its totient is φ = 22462626262452.

The previous prime is 26206397306197. The next prime is 26206397306239. The reversal of 26206397306201 is 10260379360262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26206397306201 - 2² = 26206397306197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26206397302201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871885521865 + ... + 1871885521878.

It is an arithmetic number, because the mean of its divisors is an integer number (7487542087488).

Almost surely, 2^{26206397306201} is an apocalyptic number.

It is an amenable number.

26206397306201 is a deficient number, since it is larger than the sum of its proper divisors (3743771043751).

26206397306201 is an equidigital number, since it uses as much as digits as its factorization.

26206397306201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743771043750.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 26206397306201 in words is "twenty-six trillion, two hundred six billion, three hundred ninety-seven million, three hundred six thousand, two hundred one".