5261205025242 has 12 divisors (see below), whose sum is σ = 11399277554730. Its totient is φ = 1753735008408.

The previous prime is 5261205025213. The next prime is 5261205025273. The reversal of 5261205025242 is 2425205021625.

5261205025242 is a `hidden beast` number, since 5 + 2 + 6 + 120 + 5 + 0 + 2 + 524 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5142558533841 + 118646491401 = 2267721^2 + 344451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5261205025197 and 5261205025206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146144584017 + ... + 146144584052.

Almost surely, 2^{5261205025242} is an apocalyptic number.

5261205025242 is an abundant number, since it is smaller than the sum of its proper divisors (6138072529488).

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

5261205025242 is a wasteful number, since it uses less digits than its factorization.

5261205025242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292289168077 (or 292289168074 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 5261205025242 in words is "five trillion, two hundred sixty-one billion, two hundred five million, twenty-five thousand, two hundred forty-two".