5231145011 has 4 divisors (see below), whose sum is σ = 5232151032. Its totient is φ = 5230138992.

The previous prime is 5231144981. The next prime is 5231145013. The reversal of 5231145011 is 1105411325.

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 5231145011 - 2¹⁰ = 5231143987 is a prime.

It is a super-2 number, since 2×5231145011² = 54729756252220380242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231145013) 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, 495170 + ... + 505623.

It is an arithmetic number, because the mean of its divisors is an integer number (1308037758).

Almost surely, 2^5231145011 is an apocalyptic number.

5231145011 is a deficient number, since it is larger than the sum of its proper divisors (1006021).

5231145011 is a wasteful number, since it uses less digits than its factorization.

5231145011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006020.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5231145011 is about 72326.6549136624. The cubic root of 5231145011 is about 1735.9301776081.

Adding to 5231145011 its reverse (1105411325), we get a palindrome (6336556336).

The spelling of 5231145011 in words is "five billion, two hundred thirty-one million, one hundred forty-five thousand, eleven".