25459347755 has 8 divisors (see below), whose sum is σ = 31007206032. Its totient is φ = 20063485728.

The previous prime is 25459347731. The next prime is 25459347757. The reversal of 25459347755 is 55774395452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25459347755 - 2⁶ = 25459347691 is a prime.

It is a super-2 number, since 2×25459347755² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25459347755.

It is not an unprimeable number, because it can be changed into a prime (25459347757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37998692 + ... + 37999361.

It is an arithmetic number, because the mean of its divisors is an integer number (3875900754).

Almost surely, 2^25459347755 is an apocalyptic number.

25459347755 is a deficient number, since it is larger than the sum of its proper divisors (5547858277).

25459347755 is an equidigital number, since it uses as much as digits as its factorization.

25459347755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75998125.

The product of its digits is 26460000, while the sum is 56.

The spelling of 25459347755 in words is "twenty-five billion, four hundred fifty-nine million, three hundred forty-seven thousand, seven hundred fifty-five".