26153799225 has 24 divisors (see below), whose sum is σ = 43247788512. Its totient is φ = 13946486400.

The previous prime is 26153799223. The next prime is 26153799289. The reversal of 26153799225 is 52299735162.

It is a happy number.

It is not a de Polignac number, because 26153799225 - 2¹ = 26153799223 is a prime.

It is a super-2 number, since 2×26153799225² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26153799223) 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, 522285 + ... + 570165.

It is an arithmetic number, because the mean of its divisors is an integer number (1801991188).

Almost surely, 2^26153799225 is an apocalyptic number.

26153799225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26153799225 is a deficient number, since it is larger than the sum of its proper divisors (17093989287).

26153799225 is a wasteful number, since it uses less digits than its factorization.

26153799225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55177 (or 55172 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The spelling of 26153799225 in words is "twenty-six billion, one hundred fifty-three million, seven hundred ninety-nine thousand, two hundred twenty-five".