26312432605 has 8 divisors (see below), whose sum is σ = 31585593312. Its totient is φ = 21042829968.

The previous prime is 26312432603. The next prime is 26312432651. The reversal of 26312432605 is 50623421362.

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

It is a cyclic number.

It is not a de Polignac number, because 26312432605 - 2¹ = 26312432603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26312432603) 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, 873219 + ... + 902848.

It is an arithmetic number, because the mean of its divisors is an integer number (3948199164).

Almost surely, 2^26312432605 is an apocalyptic number.

It is an amenable number.

26312432605 is a deficient number, since it is larger than the sum of its proper divisors (5273160707).

26312432605 is a wasteful number, since it uses less digits than its factorization.

26312432605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779035.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 26312432605 its reverse (50623421362), we get a palindrome (76935853967).

The spelling of 26312432605 in words is "twenty-six billion, three hundred twelve million, four hundred thirty-two thousand, six hundred five".