72102017005103 has 8 divisors (see below), whose sum is σ = 72259279078272. Its totient is φ = 71944881505056.

The previous prime is 72102017005097. The next prime is 72102017005127. The reversal of 72102017005103 is 30150071020127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72102017005103 - 2⁴⁴ = 54509830960687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72102017004103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30502700 + ... + 32781377.

It is an arithmetic number, because the mean of its divisors is an integer number (9032409884784).

Almost surely, 2^{72102017005103} is an apocalyptic number.

72102017005103 is a deficient number, since it is larger than the sum of its proper divisors (157262073169).

72102017005103 is a wasteful number, since it uses less digits than its factorization.

72102017005103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63286561.

The product of its (nonzero) digits is 2940, while the sum is 29.

The spelling of 72102017005103 in words is "seventy-two trillion, one hundred two billion, seventeen million, five thousand, one hundred three".