542561553412 has 12 divisors (see below), whose sum is σ = 949641351120. Its totient is φ = 271235453096.

The previous prime is 542561553409. The next prime is 542561553419. The reversal of 542561553412 is 214355165245.

It is not an unprimeable number, because it can be changed into a prime (542561553419) 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, 11303962 + ... + 11351857.

It is an arithmetic number, because the mean of its divisors is an integer number (79136779260).

Almost surely, 2^542561553412 is an apocalyptic number.

It is an amenable number.

542561553412 is a deficient number, since it is larger than the sum of its proper divisors (407079797708).

542561553412 is a wasteful number, since it uses less digits than its factorization.

542561553412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661810 (or 22661808 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

The spelling of 542561553412 in words is "five hundred forty-two billion, five hundred sixty-one million, five hundred fifty-three thousand, four hundred twelve".