5512211551 has 16 divisors (see below), whose sum is σ = 6939099648. Its totient is φ = 4253522400.

The previous prime is 5512211539. The next prime is 5512211561. The reversal of 5512211551 is 1551122155.

It is a cyclic number.

It is not a de Polignac number, because 5512211551 - 2⁹ = 5512211039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5512211561) 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, 339580 + ... + 355441.

It is an arithmetic number, because the mean of its divisors is an integer number (433693728).

Almost surely, 2^5512211551 is an apocalyptic number.

5512211551 is a deficient number, since it is larger than the sum of its proper divisors (1426888097).

5512211551 is a wasteful number, since it uses less digits than its factorization.

5512211551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695142.

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

The square root of 5512211551 is about 74244.2694825668. The cubic root of 5512211551 is about 1766.4795968094.

The spelling of 5512211551 in words is "five billion, five hundred twelve million, two hundred eleven thousand, five hundred fifty-one".