25135030632 has 16 divisors (see below), whose sum is σ = 62837576640. Its totient is φ = 8378343536.

The previous prime is 25135030579. The next prime is 25135030673. The reversal of 25135030632 is 23603053152.

It is a self number, because there is not a number n which added to its sum of digits gives 25135030632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523646448 + ... + 523646495.

It is an arithmetic number, because the mean of its divisors is an integer number (3927348540).

Almost surely, 2^25135030632 is an apocalyptic number.

It is an amenable number.

25135030632 is an abundant number, since it is smaller than the sum of its proper divisors (37702546008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25135030632 is a wasteful number, since it uses less digits than its factorization.

25135030632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047292952 (or 1047292948 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 25135030632 its reverse (23603053152), we get a palindrome (48738083784).

The spelling of 25135030632 in words is "twenty-five billion, one hundred thirty-five million, thirty thousand, six hundred thirty-two".