25534011445 has 32 divisors (see below), whose sum is σ = 31590777600. Its totient is φ = 19804663296.

The previous prime is 25534011413. The next prime is 25534011449. The reversal of 25534011445 is 54411043552.

It is a cyclic number.

It is not a de Polignac number, because 25534011445 - 2⁵ = 25534011413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25534011445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25534011449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12785187 + ... + 12787183.

It is an arithmetic number, because the mean of its divisors is an integer number (987211800).

Almost surely, 2^25534011445 is an apocalyptic number.

It is an amenable number.

25534011445 is a deficient number, since it is larger than the sum of its proper divisors (6056766155).

25534011445 is a wasteful number, since it uses less digits than its factorization.

25534011445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 25534011445 its reverse (54411043552), we get a palindrome (79945054997).

The spelling of 25534011445 in words is "twenty-five billion, five hundred thirty-four million, eleven thousand, four hundred forty-five".