5142277340281 has 9 divisors (see below), whose sum is σ = 5154504027823. Its totient is φ = 5130079602520.

The previous prime is 5142277340267. The next prime is 5142277340287. The reversal of 5142277340281 is 1820437722415.

The square root of 5142277340281 is 2267659.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1648293931881 + 3493983408400 = 1283859^2 + 1869220^2 .

It is not a de Polignac number, because 5142277340281 - 2³⁹ = 4592521526393 is a prime.

It is a super-2 number, since 2×5142277340281² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5142277340287) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1045388340 + ... + 1045393258.

Almost surely, 2^{5142277340281} is an apocalyptic number.

5142277340281 is the 2267659-th square number.

5142277340281 is the 1133830-th centered octagonal number.

It is an amenable number.

5142277340281 is a deficient number, since it is larger than the sum of its proper divisors (12226687542).

5142277340281 is an frugal number, since it uses more digits than its factorization.

5142277340281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 5142277340281 in words is "five trillion, one hundred forty-two billion, two hundred seventy-seven million, three hundred forty thousand, two hundred eighty-one".