72356557183 has 2 divisors, whose sum is σ = 72356557184. Its totient is φ = 72356557182.

The previous prime is 72356557171. The next prime is 72356557237. The reversal of 72356557183 is 38175565327.

It is a weak prime.

It is an emirp because it is prime and its reverse (38175565327) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72356557183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72356557183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72356587183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36178278591 + 36178278592.

It is an arithmetic number, because the mean of its divisors is an integer number (36178278592).

Almost surely, 2^72356557183 is an apocalyptic number.

72356557183 is a deficient number, since it is larger than the sum of its proper divisors (1).

72356557183 is an equidigital number, since it uses as much as digits as its factorization.

72356557183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292000, while the sum is 52.

The spelling of 72356557183 in words is "seventy-two billion, three hundred fifty-six million, five hundred fifty-seven thousand, one hundred eighty-three".