26051320004 has 12 divisors (see below), whose sum is σ = 45671662764. Its totient is φ = 13002273504.

The previous prime is 26051319977. The next prime is 26051320007. The reversal of 26051320004 is 40002315062.

It can be written as a sum of positive squares in 2 ways, for example, as 13135452100 + 12915867904 = 114610^2 + 113648^2 .

It is not an unprimeable number, because it can be changed into a prime (26051320007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5844119 + ... + 5848574.

It is an arithmetic number, because the mean of its divisors is an integer number (3805971897).

Almost surely, 2^26051320004 is an apocalyptic number.

It is an amenable number.

26051320004 is a deficient number, since it is larger than the sum of its proper divisors (19620342760).

26051320004 is a wasteful number, since it uses less digits than its factorization.

26051320004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11693254 (or 11693252 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 26051320004 its reverse (40002315062), we get a palindrome (66053635066).

The spelling of 26051320004 in words is "twenty-six billion, fifty-one million, three hundred twenty thousand, four".