25201331042 has 8 divisors (see below), whose sum is σ = 37805293776. Its totient is φ = 12599566452.

The previous prime is 25201331033. The next prime is 25201331143. The reversal of 25201331042 is 24013310252.

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

It is a junction number, because it is equal to n+sod(n) for n = 25201330999 and 25201331017.

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, 520568 + ... + 566915.

It is an arithmetic number, because the mean of its divisors is an integer number (4725661722).

Almost surely, 2^25201331042 is an apocalyptic number.

25201331042 is a deficient number, since it is larger than the sum of its proper divisors (12603962734).

25201331042 is a wasteful number, since it uses less digits than its factorization.

25201331042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099072.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 25201331042 its reverse (24013310252), we get a palindrome (49214641294).

The spelling of 25201331042 in words is "twenty-five billion, two hundred one million, three hundred thirty-one thousand, forty-two".