26101262225 has 24 divisors (see below), whose sum is σ = 34049160000. Its totient is φ = 19819231040.

The previous prime is 26101262221. The next prime is 26101262251. The reversal of 26101262225 is 52226210162.

It is not a de Polignac number, because 26101262225 - 2² = 26101262221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (26101262221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262325 + ... + 347874.

It is an arithmetic number, because the mean of its divisors is an integer number (1418715000).

Almost surely, 2^26101262225 is an apocalyptic number.

26101262225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26101262225 is a deficient number, since it is larger than the sum of its proper divisors (7947897775).

26101262225 is a wasteful number, since it uses less digits than its factorization.

26101262225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610297 (or 610292 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 26101262225 its reverse (52226210162), we get a palindrome (78327472387).

The spelling of 26101262225 in words is "twenty-six billion, one hundred one million, two hundred sixty-two thousand, two hundred twenty-five".