25135453042 has 8 divisors (see below), whose sum is σ = 43089348096. Its totient is φ = 10772337012.

The previous prime is 25135452977. The next prime is 25135453051. The reversal of 25135453042 is 24035453152.

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 = 25135452989 and 25135453007.

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, 897694738 + ... + 897694765.

It is an arithmetic number, because the mean of its divisors is an integer number (5386168512).

Almost surely, 2^25135453042 is an apocalyptic number.

25135453042 is a deficient number, since it is larger than the sum of its proper divisors (17953895054).

25135453042 is a wasteful number, since it uses less digits than its factorization.

25135453042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795389512.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 25135453042 in words is "twenty-five billion, one hundred thirty-five million, four hundred fifty-three thousand, forty-two".