42111315 has 24 divisors (see below), whose sum is σ = 76836240. Its totient is φ = 21276864.

The previous prime is 42111313. The next prime is 42111341. The reversal of 42111315 is 51311124.

It is not a de Polignac number, because 42111315 - 2¹ = 42111313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42111313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23772 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (3201510).

Almost surely, 2^42111315 is an apocalyptic number.

42111315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42111315 is a deficient number, since it is larger than the sum of its proper divisors (34724925).

42111315 is a wasteful number, since it uses less digits than its factorization.

42111315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49283 (or 49280 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 42111315 is about 6489.3231542280. The cubic root of 42111315 is about 347.9094839892.

Adding to 42111315 its reverse (51311124), we get a palindrome (93422439).

The spelling of 42111315 in words is "forty-two million, one hundred eleven thousand, three hundred fifteen".