72157351027 has 2 divisors, whose sum is σ = 72157351028. Its totient is φ = 72157351026.

The previous prime is 72157350997. The next prime is 72157351067. The reversal of 72157351027 is 72015375127.

It is an a-pointer prime, because the next prime (72157351067) can be obtained adding 72157351027 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72157351027 - 2¹¹ = 72157348979 is a prime.

It is not a weakly prime, because it can be changed into another prime (72157351067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36078675513 + 36078675514.

It is an arithmetic number, because the mean of its divisors is an integer number (36078675514).

Almost surely, 2^72157351027 is an apocalyptic number.

72157351027 is a deficient number, since it is larger than the sum of its proper divisors (1).

72157351027 is an equidigital number, since it uses as much as digits as its factorization.

72157351027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102900, while the sum is 40.

The spelling of 72157351027 in words is "seventy-two billion, one hundred fifty-seven million, three hundred fifty-one thousand, twenty-seven".