25250401142 has 8 divisors (see below), whose sum is σ = 38071848936. Its totient is φ = 12559784832.

The previous prime is 25250401129. The next prime is 25250401207. The reversal of 25250401142 is 24110405252.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32707388 + ... + 32708159.

It is an arithmetic number, because the mean of its divisors is an integer number (4758981117).

Almost surely, 2^25250401142 is an apocalyptic number.

25250401142 is a deficient number, since it is larger than the sum of its proper divisors (12821447794).

25250401142 is a wasteful number, since it uses less digits than its factorization.

25250401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65415742.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 25250401142 its reverse (24110405252), we get a palindrome (49360806394).

The spelling of 25250401142 in words is "twenty-five billion, two hundred fifty million, four hundred one thousand, one hundred forty-two".