25442133115 has 64 divisors (see below), whose sum is σ = 36596966400. Its totient is φ = 16611872256.

The previous prime is 25442133061. The next prime is 25442133151. The reversal of 25442133115 is 51133124452.

It is not a de Polignac number, because 25442133115 - 2¹⁷ = 25442002043 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34427416 + ... + 34428154.

It is an arithmetic number, because the mean of its divisors is an integer number (571827600).

Almost surely, 2^25442133115 is an apocalyptic number.

25442133115 is a deficient number, since it is larger than the sum of its proper divisors (11154833285).

25442133115 is a wasteful number, since it uses less digits than its factorization.

25442133115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its digits is 14400, while the sum is 31.

Adding to 25442133115 its reverse (51133124452), we get a palindrome (76575257567).

The spelling of 25442133115 in words is "twenty-five billion, four hundred forty-two million, one hundred thirty-three thousand, one hundred fifteen".