25610755087 has 4 divisors (see below), whose sum is σ = 25617630496. Its totient is φ = 25603879680.

The previous prime is 25610755073. The next prime is 25610755099. The reversal of 25610755087 is 78055701652.

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 25610755087 - 2¹¹ = 25610753039 is a prime.

It is a super-2 number, since 2×25610755087² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25610755787) 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, 3432114 + ... + 3439567.

It is an arithmetic number, because the mean of its divisors is an integer number (6404407624).

Almost surely, 2^25610755087 is an apocalyptic number.

25610755087 is a deficient number, since it is larger than the sum of its proper divisors (6875409).

25610755087 is an equidigital number, since it uses as much as digits as its factorization.

25610755087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875408.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 25610755087 in words is "twenty-five billion, six hundred ten million, seven hundred fifty-five thousand, eighty-seven".