5140685551 has 16 divisors (see below), whose sum is σ = 5487004800. Its totient is φ = 4808014848.

The previous prime is 5140685533. The next prime is 5140685567. The reversal of 5140685551 is 1555860415.

It is a 10-Lehmer number, since φ(5140685551) divides (5140685551-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 5140685551 - 2⁵ = 5140685519 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 (5140685531) 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, 100255 + ... + 142591.

It is an arithmetic number, because the mean of its divisors is an integer number (342937800).

Almost surely, 2^5140685551 is an apocalyptic number.

5140685551 is the 38325-th centered heptagonal number.

5140685551 is a deficient number, since it is larger than the sum of its proper divisors (346319249).

5140685551 is a wasteful number, since it uses less digits than its factorization.

5140685551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42498.

The product of its (nonzero) digits is 120000, while the sum is 40.

The square root of 5140685551 is about 71698.5742605807. The cubic root of 5140685551 is about 1725.8657616987.

The spelling of 5140685551 in words is "five billion, one hundred forty million, six hundred eighty-five thousand, five hundred fifty-one".