542555253522511 has 4 divisors (see below), whose sum is σ = 542722039647352. Its totient is φ = 542388467397672.

The previous prime is 542555253522481. The next prime is 542555253522563. The reversal of 542555253522511 is 115225352555245.

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

It is a cyclic number.

It is not a de Polignac number, because 542555253522511 - 2¹¹ = 542555253520463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542555253526511) 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, 83393057541 + ... + 83393064046.

It is an arithmetic number, because the mean of its divisors is an integer number (135680509911838).

Almost surely, 2^{542555253522511} is an apocalyptic number.

542555253522511 is a deficient number, since it is larger than the sum of its proper divisors (166786124841).

542555253522511 is a wasteful number, since it uses less digits than its factorization.

542555253522511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166786124840.

The product of its digits is 15000000, while the sum is 52.

The spelling of 542555253522511 in words is "five hundred forty-two trillion, five hundred fifty-five billion, two hundred fifty-three million, five hundred twenty-two thousand, five hundred eleven".