5143661515 has 16 divisors (see below), whose sum is σ = 6404898816. Its totient is φ = 3961317600.

The previous prime is 5143661503. The next prime is 5143661539. The reversal of 5143661515 is 5151663415.

It is not a de Polignac number, because 5143661515 - 2¹¹ = 5143659467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57267 + ... + 116476.

It is an arithmetic number, because the mean of its divisors is an integer number (400306176).

Almost surely, 2^5143661515 is an apocalyptic number.

5143661515 is a deficient number, since it is larger than the sum of its proper divisors (1261237301).

5143661515 is a wasteful number, since it uses less digits than its factorization.

5143661515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173970.

The product of its digits is 54000, while the sum is 37.

The square root of 5143661515 is about 71719.3245576114. The cubic root of 5143661515 is about 1726.1987343822.

The spelling of 5143661515 in words is "five billion, one hundred forty-three million, six hundred sixty-one thousand, five hundred fifteen".