25445501333142 has 32 divisors (see below), whose sum is σ = 56698679960064. Its totient is φ = 7546699298400.

The previous prime is 25445501333117. The next prime is 25445501333227. The reversal of 25445501333142 is 24133310554452.

It is a junction number, because it is equal to n+sod(n) for n = 25445501333094 and 25445501333103.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4101463909 + ... + 4101470112.

It is an arithmetic number, because the mean of its divisors is an integer number (1771833748752).

Almost surely, 2^{25445501333142} is an apocalyptic number.

25445501333142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25445501333142 is an abundant number, since it is smaller than the sum of its proper divisors (31253178626922).

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

25445501333142 is a wasteful number, since it uses less digits than its factorization.

25445501333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202934084.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 25445501333142 its reverse (24133310554452), we get a palindrome (49578811887594).

The spelling of 25445501333142 in words is "twenty-five trillion, four hundred forty-five billion, five hundred one million, three hundred thirty-three thousand, one hundred forty-two".