42215224511 has 4 divisors (see below), whose sum is σ = 42216932352. Its totient is φ = 42213516672.

The previous prime is 42215224507. The next prime is 42215224559. The reversal of 42215224511 is 11542251224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42215224511 - 2² = 42215224507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42215254511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816290 + ... + 866463.

It is an arithmetic number, because the mean of its divisors is an integer number (10554233088).

Almost surely, 2^42215224511 is an apocalyptic number.

42215224511 is a deficient number, since it is larger than the sum of its proper divisors (1707841).

42215224511 is a wasteful number, since it uses less digits than its factorization.

42215224511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707840.

The product of its digits is 6400, while the sum is 29.

Adding to 42215224511 its reverse (11542251224), we get a palindrome (53757475735).

The spelling of 42215224511 in words is "forty-two billion, two hundred fifteen million, two hundred twenty-four thousand, five hundred eleven".