5151391115 has 16 divisors (see below), whose sum is σ = 6705786528. Its totient is φ = 3776330496.

The previous prime is 5151391109. The next prime is 5151391151. The reversal of 5151391115 is 5111931515.

It is a cyclic number.

It is not a de Polignac number, because 5151391115 - 2¹⁶ = 5151325579 is a prime.

It is a super-3 number, since 3×5151391115³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280337 + ... + 298146.

It is an arithmetic number, because the mean of its divisors is an integer number (419111658).

Almost surely, 2^5151391115 is an apocalyptic number.

5151391115 is a deficient number, since it is larger than the sum of its proper divisors (1554395413).

5151391115 is a wasteful number, since it uses less digits than its factorization.

5151391115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578638.

The product of its digits is 3375, while the sum is 32.

The square root of 5151391115 is about 71773.1921750733. The cubic root of 5151391115 is about 1727.0629791529.

The spelling of 5151391115 in words is "five billion, one hundred fifty-one million, three hundred ninety-one thousand, one hundred fifteen".