542747775516 has 12 divisors (see below), whose sum is σ = 1266411476232. Its totient is φ = 180915925168.

The previous prime is 542747775511. The next prime is 542747775523. The reversal of 542747775516 is 615577747245.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 542747775516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542747775511) 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, 22614490635 + ... + 22614490658.

It is an arithmetic number, because the mean of its divisors is an integer number (105534289686).

Almost surely, 2^542747775516 is an apocalyptic number.

It is an amenable number.

542747775516 is an abundant number, since it is smaller than the sum of its proper divisors (723663700716).

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

542747775516 is a wasteful number, since it uses less digits than its factorization.

542747775516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228981300 (or 45228981298 counting only the distinct ones).

The product of its digits is 57624000, while the sum is 60.

The spelling of 542747775516 in words is "five hundred forty-two billion, seven hundred forty-seven million, seven hundred seventy-five thousand, five hundred sixteen".