42221453251511 has 8 divisors (see below), whose sum is σ = 42330365724048. Its totient is φ = 42112558800000.

The previous prime is 42221453251507. The next prime is 42221453251517. The reversal of 42221453251511 is 11515235412224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42221453251511 - 2² = 42221453251507 is a prime.

It is a super-2 number, since 2×42221453251511² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221453251517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192896 + ... + 9191306.

It is an arithmetic number, because the mean of its divisors is an integer number (5291295715506).

Almost surely, 2^{42221453251511} is an apocalyptic number.

42221453251511 is a deficient number, since it is larger than the sum of its proper divisors (108912472537).

42221453251511 is a wasteful number, since it uses less digits than its factorization.

42221453251511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010513.

The product of its digits is 96000, while the sum is 38.

Adding to 42221453251511 its reverse (11515235412224), we get a palindrome (53736688663735).

The spelling of 42221453251511 in words is "forty-two trillion, two hundred twenty-one billion, four hundred fifty-three million, two hundred fifty-one thousand, five hundred eleven".