25312322132 has 12 divisors (see below), whose sum is σ = 44506501536. Its totient is φ = 12596178840.

The previous prime is 25312322083. The next prime is 25312322141. The reversal of 25312322132 is 23122321352.

It is a congruent number.

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, 14994608 + ... + 14996295.

It is an arithmetic number, because the mean of its divisors is an integer number (3708875128).

Almost surely, 2^25312322132 is an apocalyptic number.

It is an amenable number.

25312322132 is a deficient number, since it is larger than the sum of its proper divisors (19194179404).

25312322132 is a wasteful number, since it uses less digits than its factorization.

25312322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29991118 (or 29991116 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

Adding to 25312322132 its reverse (23122321352), we get a palindrome (48434643484).

The spelling of 25312322132 in words is "twenty-five billion, three hundred twelve million, three hundred twenty-two thousand, one hundred thirty-two".