25223135541 has 8 divisors (see below), whose sum is σ = 35093058240. Its totient is φ = 16084318272.

The previous prime is 25223135519. The next prime is 25223135543. The reversal of 25223135541 is 14553132252.

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

It is not a de Polignac number, because 25223135541 - 2⁶ = 25223135477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223135543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182776276 + ... + 182776413.

It is an arithmetic number, because the mean of its divisors is an integer number (4386632280).

Almost surely, 2^25223135541 is an apocalyptic number.

It is an amenable number.

25223135541 is a deficient number, since it is larger than the sum of its proper divisors (9869922699).

25223135541 is a wasteful number, since it uses less digits than its factorization.

25223135541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365552715.

The product of its digits is 36000, while the sum is 33.

Adding to 25223135541 its reverse (14553132252), we get a palindrome (39776267793).

The spelling of 25223135541 in words is "twenty-five billion, two hundred twenty-three million, one hundred thirty-five thousand, five hundred forty-one".