556111011001 has 64 divisors (see below), whose sum is σ = 747497963520. Its totient is φ = 401340199680.

The previous prime is 556111010999. The next prime is 556111011023. The reversal of 556111011001 is 100110111655.

556111011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556111011001 - 2¹ = 556111010999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556111011041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10532670 + ... + 10585336.

It is an arithmetic number, because the mean of its divisors is an integer number (11679655680).

Almost surely, 2^556111011001 is an apocalyptic number.

It is an amenable number.

556111011001 is a deficient number, since it is larger than the sum of its proper divisors (191386952519).

556111011001 is a wasteful number, since it uses less digits than its factorization.

556111011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52934.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 556111011001 its reverse (100110111655), we get a palindrome (656221122656).

The spelling of 556111011001 in words is "five hundred fifty-six billion, one hundred eleven million, eleven thousand, one".