26130561204 has 24 divisors (see below), whose sum is σ = 66514156128. Its totient is φ = 7918351840.

The previous prime is 26130561203. The next prime is 26130561227. The reversal of 26130561204 is 40216503162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26130561203) 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, 98979267 + ... + 98979530.

It is an arithmetic number, because the mean of its divisors is an integer number (2771423172).

Almost surely, 2^26130561204 is an apocalyptic number.

It is an amenable number.

26130561204 is an abundant number, since it is smaller than the sum of its proper divisors (40383594924).

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

26130561204 is a wasteful number, since it uses less digits than its factorization.

26130561204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197958815 (or 197958813 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 26130561204 in words is "twenty-six billion, one hundred thirty million, five hundred sixty-one thousand, two hundred four".