26215305011 has 8 divisors (see below), whose sum is σ = 30057941760. Its totient is φ = 22397066568.

The previous prime is 26215305001. The next prime is 26215305013. The reversal of 26215305011 is 11050351262.

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-26215305011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26215305013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6097271 + ... + 6101568.

It is an arithmetic number, because the mean of its divisors is an integer number (3757242720).

Almost surely, 2^26215305011 is an apocalyptic number.

26215305011 is a deficient number, since it is larger than the sum of its proper divisors (3842636749).

26215305011 is a wasteful number, since it uses less digits than its factorization.

26215305011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199153.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 26215305011 its reverse (11050351262), we get a palindrome (37265656273).

The spelling of 26215305011 in words is "twenty-six billion, two hundred fifteen million, three hundred five thousand, eleven".