42022661111555 has 8 divisors (see below), whose sum is σ = 50427549979344. Its totient is φ = 33617891125600.

The previous prime is 42022661111521. The next prime is 42022661111591. The reversal of 42022661111555 is 55511116622024.

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

It is not a de Polignac number, because 42022661111555 - 2²² = 42022656917251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28940936 + ... + 30358245.

It is an arithmetic number, because the mean of its divisors is an integer number (6303443747418).

Almost surely, 2^{42022661111555} is an apocalyptic number.

42022661111555 is a deficient number, since it is larger than the sum of its proper divisors (8404888867789).

42022661111555 is a wasteful number, since it uses less digits than its factorization.

42022661111555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59440917.

The product of its (nonzero) digits is 144000, while the sum is 41.

Adding to 42022661111555 its reverse (55511116622024), we get a palindrome (97533777733579).

The spelling of 42022661111555 in words is "forty-two trillion, twenty-two billion, six hundred sixty-one million, one hundred eleven thousand, five hundred fifty-five".