605005010551 has 4 divisors (see below), whose sum is σ = 617877457632. Its totient is φ = 592132563472.

The previous prime is 605005010537. The next prime is 605005010573. The reversal of 605005010551 is 155010500506.

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

It is a cyclic number.

It is not a de Polignac number, because 605005010551 - 2¹³ = 605005002359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605005010591) 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, 6436223470 + ... + 6436223563.

It is an arithmetic number, because the mean of its divisors is an integer number (154469364408).

Almost surely, 2^605005010551 is an apocalyptic number.

605005010551 is a deficient number, since it is larger than the sum of its proper divisors (12872447081).

605005010551 is a wasteful number, since it uses less digits than its factorization.

605005010551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872447080.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 605005010551 in words is "six hundred five billion, five million, ten thousand, five hundred fifty-one".