605156605551 has 16 divisors (see below), whose sum is σ = 911225492320. Its totient is φ = 396824002560.

The previous prime is 605156605523. The next prime is 605156605591. The reversal of 605156605551 is 155506651506.

It is not a de Polignac number, because 605156605551 - 2⁷ = 605156605423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 605156605497 and 605156605506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605156605591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183713170 + ... + 183716463.

It is an arithmetic number, because the mean of its divisors is an integer number (56951593270).

Almost surely, 2^605156605551 is an apocalyptic number.

605156605551 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

605156605551 is a deficient number, since it is larger than the sum of its proper divisors (306068886769).

605156605551 is a wasteful number, since it uses less digits than its factorization.

605156605551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367429703 (or 367429697 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 605156605551 in words is "six hundred five billion, one hundred fifty-six million, six hundred five thousand, five hundred fifty-one".