2525855266247 has 4 divisors (see below), whose sum is σ = 2607334468416. Its totient is φ = 2444376064080.

The previous prime is 2525855266243. The next prime is 2525855266279. The reversal of 2525855266247 is 7426625585252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525855266247 - 2² = 2525855266243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525855266243) 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, 40739601038 + ... + 40739601099.

It is an arithmetic number, because the mean of its divisors is an integer number (651833617104).

Almost surely, 2^{2525855266247} is an apocalyptic number.

2525855266247 is a deficient number, since it is larger than the sum of its proper divisors (81479202169).

2525855266247 is an equidigital number, since it uses as much as digits as its factorization.

2525855266247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81479202168.

The product of its digits is 80640000, while the sum is 59.

The spelling of 2525855266247 in words is "two trillion, five hundred twenty-five billion, eight hundred fifty-five million, two hundred sixty-six thousand, two hundred forty-seven".