42511240025 has 24 divisors (see below), whose sum is σ = 52901447424. Its totient is φ = 33888254400.

The previous prime is 42511239961. The next prime is 42511240039. The reversal of 42511240025 is 52004211524.

It is not a de Polignac number, because 42511240025 - 2⁶ = 42511239961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42511239976 and 42511240003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9036824 + ... + 9041526.

It is an arithmetic number, because the mean of its divisors is an integer number (2204226976).

Almost surely, 2^42511240025 is an apocalyptic number.

It is an amenable number.

42511240025 is a deficient number, since it is larger than the sum of its proper divisors (10390207399).

42511240025 is a wasteful number, since it uses less digits than its factorization.

42511240025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921 (or 5916 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 42511240025 its reverse (52004211524), we get a palindrome (94515451549).

The spelling of 42511240025 in words is "forty-two billion, five hundred eleven million, two hundred forty thousand, twenty-five".