25001132343642 has 96 divisors (see below), whose sum is σ = 70178617192320. Its totient is φ = 6246668108160.

The previous prime is 25001132343641. The next prime is 25001132343647. The reversal of 25001132343642 is 24634323110052.

25001132343642 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 1 + 1 + 3 + 2 + 3 + 4 + 3 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25001132343597 and 25001132343606.

It is not an unprimeable number, because it can be changed into a prime (25001132343641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401632209 + ... + 401694452.

It is an arithmetic number, because the mean of its divisors is an integer number (731027262420).

Almost surely, 2^{25001132343642} is an apocalyptic number.

25001132343642 is an abundant number, since it is smaller than the sum of its proper divisors (45177484848678).

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

25001132343642 is a wasteful number, since it uses less digits than its factorization.

25001132343642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803326708 (or 803326705 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 25001132343642 its reverse (24634323110052), we get a palindrome (49635455453694).

The spelling of 25001132343642 in words is "twenty-five trillion, one billion, one hundred thirty-two million, three hundred forty-three thousand, six hundred forty-two".