11542857158 has 16 divisors (see below), whose sum is σ = 19789841184. Its totient is φ = 4946417280.

The previous prime is 11542857133. The next prime is 11542857167. The reversal of 11542857158 is 85175824511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113678 + ... + 189758.

It is an arithmetic number, because the mean of its divisors is an integer number (1236865074).

Almost surely, 2^11542857158 is an apocalyptic number.

11542857158 is a deficient number, since it is larger than the sum of its proper divisors (8246984026).

11542857158 is a wasteful number, since it uses less digits than its factorization.

11542857158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86927.

The product of its digits is 448000, while the sum is 47.

The spelling of 11542857158 in words is "eleven billion, five hundred forty-two million, eight hundred fifty-seven thousand, one hundred fifty-eight".