25132721632 has 24 divisors (see below), whose sum is σ = 49685372352. Its totient is φ = 12514214400.

The previous prime is 25132721629. The next prime is 25132721687. The reversal of 25132721632 is 23612723152.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1621744 + ... + 1637167.

It is an arithmetic number, because the mean of its divisors is an integer number (2070223848).

Almost surely, 2^25132721632 is an apocalyptic number.

It is an amenable number.

25132721632 is a deficient number, since it is larger than the sum of its proper divisors (24552650720).

25132721632 is a wasteful number, since it uses less digits than its factorization.

25132721632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259162 (or 3259154 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The spelling of 25132721632 in words is "twenty-five billion, one hundred thirty-two million, seven hundred twenty-one thousand, six hundred thirty-two".