72157860026013 has 8 divisors (see below), whose sum is σ = 96210929975968. Its totient is φ = 48105015046704.

The previous prime is 72157860026011. The next prime is 72157860026017. The reversal of 72157860026013 is 31062006875127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72157860026013 - 2¹ = 72157860026011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72157860026011) 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 in 7 ways as a sum of consecutive naturals, for example, 55492831 + ... + 56778252.

It is an arithmetic number, because the mean of its divisors is an integer number (12026366246996).

Almost surely, 2^{72157860026013} is an apocalyptic number.

It is an amenable number.

72157860026013 is a deficient number, since it is larger than the sum of its proper divisors (24053069949955).

72157860026013 is a wasteful number, since it uses less digits than its factorization.

72157860026013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112485323.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 72157860026013 in words is "seventy-two trillion, one hundred fifty-seven billion, eight hundred sixty million, twenty-six thousand, thirteen".