25335425542 has 16 divisors (see below), whose sum is σ = 43434420480. Its totient is φ = 10857473928.

The previous prime is 25335425513. The next prime is 25335425579. The reversal of 25335425542 is 24552453352.

It is a junction number, because it is equal to n+sod(n) for n = 25335425495 and 25335425504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342033 + ... + 409459.

It is an arithmetic number, because the mean of its divisors is an integer number (2714651280).

Almost surely, 2^25335425542 is an apocalyptic number.

25335425542 is a deficient number, since it is larger than the sum of its proper divisors (18098994938).

25335425542 is a wasteful number, since it uses less digits than its factorization.

25335425542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94275.

The product of its digits is 720000, while the sum is 40.

Adding to 25335425542 its reverse (24552453352), we get a palindrome (49887878894).

The spelling of 25335425542 in words is "twenty-five billion, three hundred thirty-five million, four hundred twenty-five thousand, five hundred forty-two".