601005005556 has 24 divisors (see below), whose sum is σ = 1402362663744. Its totient is φ = 200332480320.

The previous prime is 601005005551. The next prime is 601005005567. The reversal of 601005005556 is 655500500106.

It is a super-2 number, since 2×601005005556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601005005551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850321 + ... + 1387463.

It is an arithmetic number, because the mean of its divisors is an integer number (58431777656).

Almost surely, 2^601005005556 is an apocalyptic number.

It is an amenable number.

601005005556 is an abundant number, since it is smaller than the sum of its proper divisors (801357658188).

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

601005005556 is a wasteful number, since it uses less digits than its factorization.

601005005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630391 (or 630389 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 601005005556 in words is "six hundred one billion, five million, five thousand, five hundred fifty-six".