42111465 has 32 divisors (see below), whose sum is σ = 77832576. Its totient is φ = 19215360.

The previous prime is 42111409. The next prime is 42111473. The reversal of 42111465 is 56411124.

It is a happy number.

It is not a de Polignac number, because 42111465 - 2⁶ = 42111401 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4702 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (2432268).

Almost surely, 2^42111465 is an apocalyptic number.

It is an amenable number.

42111465 is a deficient number, since it is larger than the sum of its proper divisors (35721111).

42111465 is a wasteful number, since it uses less digits than its factorization.

42111465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15049.

The product of its digits is 960, while the sum is 24.

The square root of 42111465 is about 6489.3347116634. The cubic root of 42111465 is about 347.9098970719.

Adding to 42111465 its reverse (56411124), we get a palindrome (98522589).

The spelling of 42111465 in words is "forty-two million, one hundred eleven thousand, four hundred sixty-five".