5151551511 has 16 divisors (see below), whose sum is σ = 7111390208. Its totient is φ = 3313699200.

The previous prime is 5151551417. The next prime is 5151551519. The reversal of 5151551511 is 1151551515.

It is a happy number.

It is not a de Polignac number, because 5151551511 - 2¹⁰ = 5151550487 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 (5151551519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50845 + ... + 113526.

It is an arithmetic number, because the mean of its divisors is an integer number (444461888).

Almost surely, 2^5151551511 is an apocalyptic number.

5151551511 is a deficient number, since it is larger than the sum of its proper divisors (1959838697).

5151551511 is a wasteful number, since it uses less digits than its factorization.

5151551511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164742.

The product of its digits is 3125, while the sum is 30.

The square root of 5151551511 is about 71774.3095473582. The cubic root of 5151551511 is about 1727.0809038334.

The spelling of 5151551511 in words is "five billion, one hundred fifty-one million, five hundred fifty-one thousand, five hundred eleven".