26511011013 has 8 divisors (see below), whose sum is σ = 35348788000. Its totient is φ = 17673620688.

The previous prime is 26511010987. The next prime is 26511011041. The reversal of 26511011013 is 31011011562.

It is a happy number.

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

It is not a de Polignac number, because 26511011013 - 2¹⁰ = 26511009989 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 (26511011083) 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, 162858 + ... + 282036.

It is an arithmetic number, because the mean of its divisors is an integer number (4418598500).

Almost surely, 2^26511011013 is an apocalyptic number.

It is an amenable number.

26511011013 is a deficient number, since it is larger than the sum of its proper divisors (8837776987).

26511011013 is a wasteful number, since it uses less digits than its factorization.

26511011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193331.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 26511011013 its reverse (31011011562), we get a palindrome (57522022575).

The spelling of 26511011013 in words is "twenty-six billion, five hundred eleven million, eleven thousand, thirteen".