5551145011 has 4 divisors (see below), whose sum is σ = 5629330224. Its totient is φ = 5472959800.

The previous prime is 5551145009. The next prime is 5551145027. The reversal of 5551145011 is 1105411555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5551145011 - 2¹ = 5551145009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551145911) 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 3 ways as a sum of consecutive naturals, for example, 39092500 + ... + 39092641.

It is an arithmetic number, because the mean of its divisors is an integer number (1407332556).

Almost surely, 2^5551145011 is an apocalyptic number.

5551145011 is a deficient number, since it is larger than the sum of its proper divisors (78185213).

5551145011 is an equidigital number, since it uses as much as digits as its factorization.

5551145011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78185212.

The product of its (nonzero) digits is 2500, while the sum is 28.

The square root of 5551145011 is about 74506.0065430969. The cubic root of 5551145011 is about 1770.6288009222.

Adding to 5551145011 its reverse (1105411555), we get a palindrome (6656556566).

The spelling of 5551145011 in words is "five billion, five hundred fifty-one million, one hundred forty-five thousand, eleven".