605552215539 has 4 divisors (see below), whose sum is σ = 807402954056. Its totient is φ = 403701477024.

The previous prime is 605552215529. The next prime is 605552215559. The reversal of 605552215539 is 935512255506.

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

It is not a de Polignac number, because 605552215539 - 2¹¹ = 605552213491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605552215529) 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, 100925369254 + ... + 100925369259.

It is an arithmetic number, because the mean of its divisors is an integer number (201850738514).

Almost surely, 2^605552215539 is an apocalyptic number.

605552215539 is a deficient number, since it is larger than the sum of its proper divisors (201850738517).

605552215539 is a wasteful number, since it uses less digits than its factorization.

605552215539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201850738516.

The product of its (nonzero) digits is 2025000, while the sum is 48.

The spelling of 605552215539 in words is "six hundred five billion, five hundred fifty-two million, two hundred fifteen thousand, five hundred thirty-nine".