26206515012 has 48 divisors (see below), whose sum is σ = 63215462912. Its totient is φ = 8441072640.

The previous prime is 26206515011. The next prime is 26206515029. The reversal of 26206515012 is 21051560262.

It is not an unprimeable number, because it can be changed into a prime (26206515011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198018 + ... + 302694.

Almost surely, 2^26206515012 is an apocalyptic number.

It is an amenable number.

26206515012 is an abundant number, since it is smaller than the sum of its proper divisors (37008947900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26206515012 is a wasteful number, since it uses less digits than its factorization.

26206515012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105388 (or 105386 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 26206515012 in words is "twenty-six billion, two hundred six million, five hundred fifteen thousand, twelve".