42111415 has 16 divisors (see below), whose sum is σ = 51746688. Its totient is φ = 32887296.

The previous prime is 42111409. The next prime is 42111473. The reversal of 42111415 is 51411124.

It is a cyclic number.

It is not a de Polignac number, because 42111415 - 2⁷ = 42111287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42111392 and 42111401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97039 + ... + 97471.

It is an arithmetic number, because the mean of its divisors is an integer number (3234168).

Almost surely, 2^42111415 is an apocalyptic number.

42111415 is a deficient number, since it is larger than the sum of its proper divisors (9635273).

42111415 is a wasteful number, since it uses less digits than its factorization.

42111415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 160, while the sum is 19.

The square root of 42111415 is about 6489.3308591873. The cubic root of 42111415 is about 347.9097593778.

Adding to 42111415 its reverse (51411124), we get a palindrome (93522539).

The spelling of 42111415 in words is "forty-two million, one hundred eleven thousand, four hundred fifteen".