25006111045 has 8 divisors (see below), whose sum is σ = 30136121496. Its totient is φ = 19919030016.

The previous prime is 25006111007. The next prime is 25006111049. The reversal of 25006111045 is 54011160052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1172309121 + 23833801924 = 34239^2 + 154382^2 .

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 25006111045 - 2²¹ = 25004013893 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 (25006111049) 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, 10731072 + ... + 10733401.

It is an arithmetic number, because the mean of its divisors is an integer number (3767015187).

Almost surely, 2^25006111045 is an apocalyptic number.

It is an amenable number.

25006111045 is a deficient number, since it is larger than the sum of its proper divisors (5130010451).

25006111045 is a wasteful number, since it uses less digits than its factorization.

25006111045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21464711.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 25006111045 its reverse (54011160052), we get a palindrome (79017271097).

The spelling of 25006111045 in words is "twenty-five billion, six million, one hundred eleven thousand, forty-five".