25105254633142 has 16 divisors (see below), whose sum is σ = 39839071104000. Its totient is φ = 11832204110760.

The previous prime is 25105254633127. The next prime is 25105254633157. The reversal of 25105254633142 is 24133645250152.

It is an interprime number because it is at equal distance from previous prime (25105254633127) and next prime (25105254633157).

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, 1659953734 + ... + 1659968857.

It is an arithmetic number, because the mean of its divisors is an integer number (2489941944000).

Almost surely, 2^{25105254633142} is an apocalyptic number.

25105254633142 is a deficient number, since it is larger than the sum of its proper divisors (14733816470858).

25105254633142 is a wasteful number, since it uses less digits than its factorization.

25105254633142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319922811.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 25105254633142 its reverse (24133645250152), we get a palindrome (49238899883294).

The spelling of 25105254633142 in words is "twenty-five trillion, one hundred five billion, two hundred fifty-four million, six hundred thirty-three thousand, one hundred forty-two".