72542564534103 has 16 divisors (see below), whose sum is σ = 100931857552896. Its totient is φ = 46257618607200.

The previous prime is 72542564534087. The next prime is 72542564534129. The reversal of 72542564534103 is 30143546524527.

It is not a de Polignac number, because 72542564534103 - 2⁴ = 72542564534087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72542564534173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13714948 + ... + 18253353.

It is an arithmetic number, because the mean of its divisors is an integer number (6308241097056).

Almost surely, 2^{72542564534103} is an apocalyptic number.

72542564534103 is a deficient number, since it is larger than the sum of its proper divisors (28389293018793).

72542564534103 is a wasteful number, since it uses less digits than its factorization.

72542564534103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32001214.

The product of its (nonzero) digits is 12096000, while the sum is 51.

The spelling of 72542564534103 in words is "seventy-two trillion, five hundred forty-two billion, five hundred sixty-four million, five hundred thirty-four thousand, one hundred three".