25150212645 has 16 divisors (see below), whose sum is σ = 40312598400. Its totient is φ = 13389360704.

The previous prime is 25150212643. The next prime is 25150212679. The reversal of 25150212645 is 54621205152.

It is a cyclic number.

It is not a de Polignac number, because 25150212645 - 2¹ = 25150212643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25150212643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496745 + ... + 1513454.

It is an arithmetic number, because the mean of its divisors is an integer number (2519537400).

Almost surely, 2^25150212645 is an apocalyptic number.

It is an amenable number.

25150212645 is a deficient number, since it is larger than the sum of its proper divisors (15162385755).

25150212645 is a wasteful number, since it uses less digits than its factorization.

25150212645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010764.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 25150212645 its reverse (54621205152), we get a palindrome (79771417797).

The spelling of 25150212645 in words is "twenty-five billion, one hundred fifty million, two hundred twelve thousand, six hundred forty-five".