26215226117201 has 8 divisors (see below), whose sum is σ = 28990187786784. Its totient is φ = 23505557663520.

The previous prime is 26215226117159. The next prime is 26215226117207. The reversal of 26215226117201 is 10271162251262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26215226117201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26215226117207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16323303131 + ... + 16323304736.

It is an arithmetic number, because the mean of its divisors is an integer number (3623773473348).

Almost surely, 2^{26215226117201} is an apocalyptic number.

It is an amenable number.

26215226117201 is a deficient number, since it is larger than the sum of its proper divisors (2774961669583).

26215226117201 is a wasteful number, since it uses less digits than its factorization.

26215226117201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32646607951.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 26215226117201 its reverse (10271162251262), we get a palindrome (36486388368463).

The spelling of 26215226117201 in words is "twenty-six trillion, two hundred fifteen billion, two hundred twenty-six million, one hundred seventeen thousand, two hundred one".