5131642111 has 4 divisors (see below), whose sum is σ = 5136093952. Its totient is φ = 5127190272.

The previous prime is 5131642097. The next prime is 5131642129. The reversal of 5131642111 is 1112461315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5131642111 - 2¹³ = 5131633919 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 (5131642511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224191 + ... + 2226496.

It is an arithmetic number, because the mean of its divisors is an integer number (1284023488).

Almost surely, 2^5131642111 is an apocalyptic number.

5131642111 is a deficient number, since it is larger than the sum of its proper divisors (4451841).

5131642111 is a wasteful number, since it uses less digits than its factorization.

5131642111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451840.

The product of its digits is 720, while the sum is 25.

The square root of 5131642111 is about 71635.4808108384. The cubic root of 5131642111 is about 1724.8531260232.

The spelling of 5131642111 in words is "five billion, one hundred thirty-one million, six hundred forty-two thousand, one hundred eleven".