40513011043 has 2 divisors, whose sum is σ = 40513011044. Its totient is φ = 40513011042.

The previous prime is 40513011031. The next prime is 40513011113. The reversal of 40513011043 is 34011031504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40513011043 is a prime.

It is a super-3 number, since 3×40513011043³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40513011023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256505521 + 20256505522.

It is an arithmetic number, because the mean of its divisors is an integer number (20256505522).

Almost surely, 2^40513011043 is an apocalyptic number.

40513011043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40513011043 is an equidigital number, since it uses as much as digits as its factorization.

40513011043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 40513011043 its reverse (34011031504), we get a palindrome (74524042547).

The spelling of 40513011043 in words is "forty billion, five hundred thirteen million, eleven thousand, forty-three".