25001024142 has 8 divisors (see below), whose sum is σ = 50002048296. Its totient is φ = 8333674712.

The previous prime is 25001024131. The next prime is 25001024179. The reversal of 25001024142 is 24142010052.

It is a sphenic number, since it is the product of 3 distinct primes.

25001024142 is an admirable number.

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, 2083418673 + ... + 2083418684.

It is an arithmetic number, because the mean of its divisors is an integer number (6250256037).

Almost surely, 2^25001024142 is an apocalyptic number.

25001024142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25001024142 is a wasteful number, since it uses less digits than its factorization.

25001024142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166837362.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 25001024142 its reverse (24142010052), we get a palindrome (49143034194).

The spelling of 25001024142 in words is "twenty-five billion, one million, twenty-four thousand, one hundred forty-two".