42405111025 has 12 divisors (see below), whose sum is σ = 52584928000. Its totient is φ = 33922417680.

The previous prime is 42405111011. The next prime is 42405111037. The reversal of 42405111025 is 52011150424.

It is not a de Polignac number, because 42405111025 - 2⁹ = 42405110513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844576 + ... + 893374.

Almost surely, 2^42405111025 is an apocalyptic number.

It is an amenable number.

42405111025 is a deficient number, since it is larger than the sum of its proper divisors (10179816975).

42405111025 is a wasteful number, since it uses less digits than its factorization.

42405111025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83568 (or 83563 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 42405111025 its reverse (52011150424), we get a palindrome (94416261449).

The spelling of 42405111025 in words is "forty-two billion, four hundred five million, one hundred eleven thousand, twenty-five".