25115342030542 has 8 divisors (see below), whose sum is σ = 37673034354000. Its totient is φ = 12557663912544.

The previous prime is 25115342030491. The next prime is 25115342030551. The reversal of 25115342030542 is 24503024351152.

It is a happy number.

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

It is a super-2 number, since 2×25115342030542² (a number of 28 digits) contains 22 as substring.

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, 4743334 + ... + 8528182.

It is an arithmetic number, because the mean of its divisors is an integer number (4709129294250).

Almost surely, 2^{25115342030542} is an apocalyptic number.

25115342030542 is a deficient number, since it is larger than the sum of its proper divisors (12557692323458).

25115342030542 is a wasteful number, since it uses less digits than its factorization.

25115342030542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102730.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 25115342030542 its reverse (24503024351152), we get a palindrome (49618366381694).

The spelling of 25115342030542 in words is "twenty-five trillion, one hundred fifteen billion, three hundred forty-two million, thirty thousand, five hundred forty-two".