72110304431653 has 2 divisors, whose sum is σ = 72110304431654. Its totient is φ = 72110304431652.

The previous prime is 72110304431629. The next prime is 72110304431657. The reversal of 72110304431653 is 35613440301127.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62251815960324 + 9858488471329 = 7889982^2 + 3139823^2 .

It is a cyclic number.

It is not a de Polignac number, because 72110304431653 - 2³³ = 72101714497061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72110304431657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36055152215826 + 36055152215827.

It is an arithmetic number, because the mean of its divisors is an integer number (36055152215827).

Almost surely, 2^{72110304431653} is an apocalyptic number.

It is an amenable number.

72110304431653 is a deficient number, since it is larger than the sum of its proper divisors (1).

72110304431653 is an equidigital number, since it uses as much as digits as its factorization.

72110304431653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 72110304431653 in words is "seventy-two trillion, one hundred ten billion, three hundred four million, four hundred thirty-one thousand, six hundred fifty-three".