605550001051 has 4 divisors (see below), whose sum is σ = 626431035600. Its totient is φ = 584668966504.

The previous prime is 605550000983. The next prime is 605550001057. The reversal of 605550001051 is 150100055506.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605550001051 is a prime.

It is a super-2 number, since 2×605550001051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605550001057) 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, 10440517231 + ... + 10440517288.

It is an arithmetic number, because the mean of its divisors is an integer number (156607758900).

Almost surely, 2^605550001051 is an apocalyptic number.

605550001051 is a deficient number, since it is larger than the sum of its proper divisors (20881034549).

605550001051 is a wasteful number, since it uses less digits than its factorization.

605550001051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881034548.

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

Adding to 605550001051 its reverse (150100055506), we get a palindrome (755650056557).

The spelling of 605550001051 in words is "six hundred five billion, five hundred fifty million, one thousand, fifty-one".