72211190785 has 64 divisors (see below), whose sum is σ = 95563183104. Its totient is φ = 52157952000.

The previous prime is 72211190767. The next prime is 72211190797. The reversal of 72211190785 is 58709111227.

It is a de Polignac number, because none of the positive numbers 2^k-72211190785 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 147069390 + ... + 147069880.

It is an arithmetic number, because the mean of its divisors is an integer number (1493174736).

Almost surely, 2^72211190785 is an apocalyptic number.

It is an amenable number.

72211190785 is a deficient number, since it is larger than the sum of its proper divisors (23351992319).

72211190785 is a wasteful number, since it uses less digits than its factorization.

72211190785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 72211190785 in words is "seventy-two billion, two hundred eleven million, one hundred ninety thousand, seven hundred eighty-five".