8542157324111 has 4 divisors (see below), whose sum is σ = 8585082738000. Its totient is φ = 8499231910224.

The previous prime is 8542157324087. The next prime is 8542157324143. The reversal of 8542157324111 is 1114237512458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8542157324111 - 2¹⁰ = 8542157323087 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 (8542157324711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21462706646 + ... + 21462707043.

It is an arithmetic number, because the mean of its divisors is an integer number (2146270684500).

Almost surely, 2^{8542157324111} is an apocalyptic number.

8542157324111 is a deficient number, since it is larger than the sum of its proper divisors (42925413889).

8542157324111 is a wasteful number, since it uses less digits than its factorization.

8542157324111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42925413888.

The product of its digits is 268800, while the sum is 44.

The spelling of 8542157324111 in words is "eight trillion, five hundred forty-two billion, one hundred fifty-seven million, three hundred twenty-four thousand, one hundred eleven".