5311243541 has 4 divisors (see below), whose sum is σ = 5494389900. Its totient is φ = 5128097184.

The previous prime is 5311243529. The next prime is 5311243571. The reversal of 5311243541 is 1453421135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2860003441 + 2451240100 = 53479^2 + 49510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5311243541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 183146329 = 5311243541 / (5 + 3 + 1 + 1 + 2 + 4 + 3 + 5 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311243501) 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, 91573136 + ... + 91573193.

It is an arithmetic number, because the mean of its divisors is an integer number (1373597475).

Almost surely, 2^5311243541 is an apocalyptic number.

It is an amenable number.

5311243541 is a deficient number, since it is larger than the sum of its proper divisors (183146359).

5311243541 is a wasteful number, since it uses less digits than its factorization.

5311243541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183146358.

The product of its digits is 7200, while the sum is 29.

The square root of 5311243541 is about 72878.2789382406. The cubic root of 5311243541 is about 1744.7454401617.

Adding to 5311243541 its reverse (1453421135), we get a palindrome (6764664676).

The spelling of 5311243541 in words is "five billion, three hundred eleven million, two hundred forty-three thousand, five hundred forty-one".