601011005500 has 48 divisors (see below), whose sum is σ = 1312692099264. Its totient is φ = 240389006400.

The previous prime is 601011005479. The next prime is 601011005563. The reversal of 601011005500 is 5500110106.

It is a super-2 number, since 2×601011005500² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10858897 + ... + 10914103.

It is an arithmetic number, because the mean of its divisors is an integer number (27347752068).

Almost surely, 2^601011005500 is an apocalyptic number.

It is an amenable number.

601011005500 is an abundant number, since it is smaller than the sum of its proper divisors (711681093764).

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

601011005500 is a wasteful number, since it uses less digits than its factorization.

601011005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76999 (or 76987 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 601011005500 its reverse (5500110106), we get a palindrome (606511115606).

It can be divided in two parts, 60101 and 1005500, that added together give a palindrome (1065601).

The spelling of 601011005500 in words is "six hundred one billion, eleven million, five thousand, five hundred".