42022661111554 has 4 divisors (see below), whose sum is σ = 63033991667334. Its totient is φ = 21011330555776.

The previous prime is 42022661111521. The next prime is 42022661111591. The reversal of 42022661111554 is 45511116622024.

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

It can be written as a sum of positive squares in only one way, i.e., 24080464624225 + 17942196487329 = 4907185^2 + 4235823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505665277887 + ... + 10505665277890.

Almost surely, 2^{42022661111554} is an apocalyptic number.

42022661111554 is a deficient number, since it is larger than the sum of its proper divisors (21011330555780).

42022661111554 is a wasteful number, since it uses less digits than its factorization.

42022661111554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21011330555779.

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 42022661111554 its reverse (45511116622024), we get a palindrome (87533777733578).

The spelling of 42022661111554 in words is "forty-two trillion, twenty-two billion, six hundred sixty-one million, one hundred eleven thousand, five hundred fifty-four".