542156617706117 has 2 divisors, whose sum is σ = 542156617706118. Its totient is φ = 542156617706116.

The previous prime is 542156617706083. The next prime is 542156617706129. The reversal of 542156617706117 is 711607716651245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372297372310081 + 169859245396036 = 19295009^2 + 13033006^2 .

It is a cyclic number.

It is not a de Polignac number, because 542156617706117 - 2⁸ = 542156617705861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542156617736117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271078308853058 + 271078308853059.

It is an arithmetic number, because the mean of its divisors is an integer number (271078308853059).

Almost surely, 2^{542156617706117} is an apocalyptic number.

It is an amenable number.

542156617706117 is a deficient number, since it is larger than the sum of its proper divisors (1).

542156617706117 is an equidigital number, since it uses as much as digits as its factorization.

542156617706117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 542156617706117 in words is "five hundred forty-two trillion, one hundred fifty-six billion, six hundred seventeen million, seven hundred six thousand, one hundred seventeen".