542051005513 has 2 divisors, whose sum is σ = 542051005514. Its totient is φ = 542051005512.

The previous prime is 542051005451. The next prime is 542051005523. The reversal of 542051005513 is 315500150245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541595908624 + 455096889 = 735932^2 + 21333^2 .

It is a cyclic number.

It is not a de Polignac number, because 542051005513 - 2²¹ = 542048908361 is a prime.

It is not a weakly prime, because it can be changed into another prime (542051005523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271025502756 + 271025502757.

It is an arithmetic number, because the mean of its divisors is an integer number (271025502757).

Almost surely, 2^542051005513 is an apocalyptic number.

It is an amenable number.

542051005513 is a deficient number, since it is larger than the sum of its proper divisors (1).

542051005513 is an equidigital number, since it uses as much as digits as its factorization.

542051005513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 542051005513 its reverse (315500150245), we get a palindrome (857551155758).

The spelling of 542051005513 in words is "five hundred forty-two billion, fifty-one million, five thousand, five hundred thirteen".