10217111494538 has 64 divisors (see below), whose sum is σ = 16899315457920. Its totient is φ = 4604065401600.

The previous prime is 10217111494531. The next prime is 10217111494547. The reversal of 10217111494538 is 83549411171201.

It is a junction number, because it is equal to n+sod(n) for n = 10217111494492 and 10217111494501.

It is not an unprimeable number, because it can be changed into a prime (10217111494531) 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 31 ways as a sum of consecutive naturals, for example, 126790556 + ... + 126871112.

It is an arithmetic number, because the mean of its divisors is an integer number (264051804030).

Almost surely, 2^{10217111494538} is an apocalyptic number.

10217111494538 is a deficient number, since it is larger than the sum of its proper divisors (6682203963382).

10217111494538 is a wasteful number, since it uses less digits than its factorization.

10217111494538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81223.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 10217111494538 in words is "ten trillion, two hundred seventeen billion, one hundred eleven million, four hundred ninety-four thousand, five hundred thirty-eight".