72019495111 has 2 divisors, whose sum is σ = 72019495112. Its totient is φ = 72019495110.

The previous prime is 72019495099. The next prime is 72019495133. The reversal of 72019495111 is 11159491027.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72019495111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72019495211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36009747555 + 36009747556.

It is an arithmetic number, because the mean of its divisors is an integer number (36009747556).

Almost surely, 2^72019495111 is an apocalyptic number.

72019495111 is a deficient number, since it is larger than the sum of its proper divisors (1).

72019495111 is an equidigital number, since it uses as much as digits as its factorization.

72019495111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 72019495111 in words is "seventy-two billion, nineteen million, four hundred ninety-five thousand, one hundred eleven".