72157860026011 has 2 divisors, whose sum is σ = 72157860026012. Its totient is φ = 72157860026010.

The previous prime is 72157860025997. The next prime is 72157860026017. The reversal of 72157860026011 is 11062006875127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72157860026011 - 2⁹ = 72157860025499 is a prime.

It is not a weakly prime, because it can be changed into another prime (72157860026017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36078930013005 + 36078930013006.

It is an arithmetic number, because the mean of its divisors is an integer number (36078930013006).

Almost surely, 2^{72157860026011} is an apocalyptic number.

72157860026011 is a deficient number, since it is larger than the sum of its proper divisors (1).

72157860026011 is an equidigital number, since it uses as much as digits as its factorization.

72157860026011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 72157860026011 in words is "seventy-two trillion, one hundred fifty-seven billion, eight hundred sixty million, twenty-six thousand, eleven".