43154343011 has 16 divisors (see below), whose sum is σ = 48878242560. Its totient is φ = 37822412160.

The previous prime is 43154342999. The next prime is 43154343049. The reversal of 43154343011 is 11034345134.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-43154343011 is a prime.

It is a super-2 number, since 2×43154343011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43154343061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988856 + ... + 1031573.

It is an arithmetic number, because the mean of its divisors is an integer number (3054890160).

Almost surely, 2^43154343011 is an apocalyptic number.

43154343011 is a deficient number, since it is larger than the sum of its proper divisors (5723899549).

43154343011 is a wasteful number, since it uses less digits than its factorization.

43154343011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020526.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 43154343011 its reverse (11034345134), we get a palindrome (54188688145).

The spelling of 43154343011 in words is "forty-three billion, one hundred fifty-four million, three hundred forty-three thousand, eleven".