72162643051135 has 32 divisors (see below), whose sum is σ = 106584619438080. Its totient is φ = 45674025510528.

The previous prime is 72162643051123. The next prime is 72162643051157. The reversal of 72162643051135 is 53115034626127.

It is a cyclic number.

It is not a de Polignac number, because 72162643051135 - 2¹¹ = 72162643049087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3755754 + ... + 12586936.

It is an arithmetic number, because the mean of its divisors is an integer number (3330769357440).

Almost surely, 2^{72162643051135} is an apocalyptic number.

72162643051135 is a deficient number, since it is larger than the sum of its proper divisors (34421976386945).

72162643051135 is a wasteful number, since it uses less digits than its factorization.

72162643051135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849167.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 72162643051135 in words is "seventy-two trillion, one hundred sixty-two billion, six hundred forty-three million, fifty-one thousand, one hundred thirty-five".