5551112645 has 16 divisors (see below), whose sum is σ = 7295339520. Its totient is φ = 4029801024.

The previous prime is 5551112641. The next prime is 5551112653. The reversal of 5551112645 is 5462111555.

It is a cyclic number.

It is not a de Polignac number, because 5551112645 - 2² = 5551112641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551112641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719909 + ... + 727578.

It is an arithmetic number, because the mean of its divisors is an integer number (455958720).

Almost surely, 2^5551112645 is an apocalyptic number.

It is an amenable number.

5551112645 is a deficient number, since it is larger than the sum of its proper divisors (1744226875).

5551112645 is a wasteful number, since it uses less digits than its factorization.

5551112645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447564.

The product of its digits is 30000, while the sum is 35.

The square root of 5551112645 is about 74505.7893388158. The cubic root of 5551112645 is about 1770.6253596932.

The spelling of 5551112645 in words is "five billion, five hundred fifty-one million, one hundred twelve thousand, six hundred forty-five".