40015102532543 has 2 divisors, whose sum is σ = 40015102532544. Its totient is φ = 40015102532542.

The previous prime is 40015102532527. The next prime is 40015102532599. The reversal of 40015102532543 is 34523520151004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40015102532543 - 2⁴ = 40015102532527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40015102552543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007551266271 + 20007551266272.

It is an arithmetic number, because the mean of its divisors is an integer number (20007551266272).

Almost surely, 2^{40015102532543} is an apocalyptic number.

40015102532543 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015102532543 is an equidigital number, since it uses as much as digits as its factorization.

40015102532543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 40015102532543 its reverse (34523520151004), we get a palindrome (74538622683547).

The spelling of 40015102532543 in words is "forty trillion, fifteen billion, one hundred two million, five hundred thirty-two thousand, five hundred forty-three".