542187506112 has 112 divisors (see below), whose sum is σ = 1692358060032. Its totient is φ = 149913584640.

The previous prime is 542187506101. The next prime is 542187506117. The reversal of 542187506112 is 211605781245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542187506117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6465003 + ... + 6548330.

Almost surely, 2^542187506112 is an apocalyptic number.

It is an amenable number.

542187506112 is an abundant number, since it is smaller than the sum of its proper divisors (1150170553920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542187506112 is a wasteful number, since it uses less digits than its factorization.

542187506112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013386 (or 13013376 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 542187506112 in words is "five hundred forty-two billion, one hundred eighty-seven million, five hundred six thousand, one hundred twelve".