26624512131225 has 24 divisors (see below), whose sum is σ = 46608557709600. Its totient is φ = 13364460990720.

The previous prime is 26624512131221. The next prime is 26624512131229. The reversal of 26624512131225 is 52213121542662.

It is an interprime number because it is at equal distance from previous prime (26624512131221) and next prime (26624512131229).

It is not a de Polignac number, because 26624512131225 - 2² = 26624512131221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26624512131221) 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, 10440983875 + ... + 10440986424.

It is an arithmetic number, because the mean of its divisors is an integer number (1942023237900).

Almost surely, 2^{26624512131225} is an apocalyptic number.

26624512131225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26624512131225 is a deficient number, since it is larger than the sum of its proper divisors (19984045578375).

26624512131225 is a wasteful number, since it uses less digits than its factorization.

26624512131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881970329 (or 20881970324 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

Adding to 26624512131225 its reverse (52213121542662), we get a palindrome (78837633673887).

The spelling of 26624512131225 in words is "twenty-six trillion, six hundred twenty-four billion, five hundred twelve million, one hundred thirty-one thousand, two hundred twenty-five".