72110100502 has 16 divisors (see below), whose sum is σ = 120224732112. Its totient is φ = 32158877920.

The previous prime is 72110100497. The next prime is 72110100521. The reversal of 72110100502 is 20500101127.

It is a self number, because there is not a number n which added to its sum of digits gives 72110100502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30920833 + ... + 30923164.

It is an arithmetic number, because the mean of its divisors is an integer number (7514045757).

Almost surely, 2^72110100502 is an apocalyptic number.

72110100502 is a deficient number, since it is larger than the sum of its proper divisors (48114631610).

72110100502 is a wasteful number, since it uses less digits than its factorization.

72110100502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61844063.

The product of its (nonzero) digits is 140, while the sum is 19.

Adding to 72110100502 its reverse (20500101127), we get a palindrome (92610201629).

The spelling of 72110100502 in words is "seventy-two billion, one hundred ten million, one hundred thousand, five hundred two".