5556111031 has 8 divisors (see below), whose sum is σ = 5712300144. Its totient is φ = 5400239040.

The previous prime is 5556111017. The next prime is 5556111047. The reversal of 5556111031 is 1301116555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5556111031 - 2¹⁵ = 5556078263 is a prime.

It is a super-2 number, since 2×5556111031² = 61740739577599765922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556111091) 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, 43525 + ... + 114046.

It is an arithmetic number, because the mean of its divisors is an integer number (714037518).

Almost surely, 2^5556111031 is an apocalyptic number.

5556111031 is a deficient number, since it is larger than the sum of its proper divisors (156189113).

5556111031 is a wasteful number, since it uses less digits than its factorization.

5556111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158561.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 5556111031 is about 74539.3253994158. The cubic root of 5556111031 is about 1771.1566414112.

Adding to 5556111031 its reverse (1301116555), we get a palindrome (6857227586).

The spelling of 5556111031 in words is "five billion, five hundred fifty-six million, one hundred eleven thousand, thirty-one".