16547545045123 has 2 divisors, whose sum is σ = 16547545045124. Its totient is φ = 16547545045122.

The previous prime is 16547545045103. The next prime is 16547545045127. The reversal of 16547545045123 is 32154054574561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16547545045123 - 2⁵ = 16547545045091 is a prime.

It is not a weakly prime, because it can be changed into another prime (16547545045127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273772522561 + 8273772522562.

It is an arithmetic number, because the mean of its divisors is an integer number (8273772522562).

Almost surely, 2^{16547545045123} is an apocalyptic number.

16547545045123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16547545045123 is an equidigital number, since it uses as much as digits as its factorization.

16547545045123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 16547545045123 in words is "sixteen trillion, five hundred forty-seven billion, five hundred forty-five million, forty-five thousand, one hundred twenty-three".