25042035535 has 8 divisors (see below), whose sum is σ = 32782301136. Its totient is φ = 18212389440.

The previous prime is 25042035523. The next prime is 25042035541. The reversal of 25042035535 is 53553024052.

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

It is not a de Polignac number, because 25042035535 - 2²⁵ = 25008481103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25042035535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227654814 + ... + 227654923.

It is an arithmetic number, because the mean of its divisors is an integer number (4097787642).

Almost surely, 2^25042035535 is an apocalyptic number.

25042035535 is a deficient number, since it is larger than the sum of its proper divisors (7740265601).

25042035535 is a wasteful number, since it uses less digits than its factorization.

25042035535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455309753.

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 25042035535 its reverse (53553024052), we get a palindrome (78595059587).

The spelling of 25042035535 in words is "twenty-five billion, forty-two million, thirty-five thousand, five hundred thirty-five".