40503135154543 has 4 divisors (see below), whose sum is σ = 40509316014928. Its totient is φ = 40496954294160.

The previous prime is 40503135154529. The next prime is 40503135154577. The reversal of 40503135154543 is 34545153130504.

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 40503135154543 - 2²¹ = 40503133057391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40503135154543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40503135154523) 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 in 3 ways as a sum of consecutive naturals, for example, 3090420363 + ... + 3090433468.

It is an arithmetic number, because the mean of its divisors is an integer number (10127329003732).

Almost surely, 2^{40503135154543} is an apocalyptic number.

40503135154543 is a deficient number, since it is larger than the sum of its proper divisors (6180860385).

40503135154543 is an equidigital number, since it uses as much as digits as its factorization.

40503135154543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180860384.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 40503135154543 in words is "forty trillion, five hundred three billion, one hundred thirty-five million, one hundred fifty-four thousand, five hundred forty-three".