542066645105 has 32 divisors (see below), whose sum is σ = 661191358464. Its totient is φ = 426561898176.

The previous prime is 542066645053. The next prime is 542066645111. The reversal of 542066645105 is 501546660245.

It is a cyclic number.

It is not a de Polignac number, because 542066645105 - 2²⁸ = 541798209649 is a prime.

It is a super-2 number, since 2×542066645105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113329544 + ... + 113334326.

It is an arithmetic number, because the mean of its divisors is an integer number (20662229952).

Almost surely, 2^542066645105 is an apocalyptic number.

It is an amenable number.

542066645105 is a deficient number, since it is larger than the sum of its proper divisors (119124713359).

542066645105 is a wasteful number, since it uses less digits than its factorization.

542066645105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 542066645105 in words is "five hundred forty-two billion, sixty-six million, six hundred forty-five thousand, one hundred five".