5551165451 has 16 divisors (see below), whose sum is σ = 6016254720. Its totient is φ = 5091599520.

The previous prime is 5551165429. The next prime is 5551165469. The reversal of 5551165451 is 1545611555.

It is a cyclic number.

It is not a de Polignac number, because 5551165451 - 2¹⁴ = 5551149067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551165421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2256260 + ... + 2258718.

It is an arithmetic number, because the mean of its divisors is an integer number (376015920).

Almost surely, 2^5551165451 is an apocalyptic number.

5551165451 is a deficient number, since it is larger than the sum of its proper divisors (465089269).

5551165451 is a wasteful number, since it uses less digits than its factorization.

5551165451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its digits is 75000, while the sum is 38.

The square root of 5551165451 is about 74506.1437131194. The cubic root of 5551165451 is about 1770.6309741440.

The spelling of 5551165451 in words is "five billion, five hundred fifty-one million, one hundred sixty-five thousand, four hundred fifty-one".