11157828371 has 4 divisors (see below), whose sum is σ = 11190937992. Its totient is φ = 11124718752.

The previous prime is 11157828347. The next prime is 11157828401. The reversal of 11157828371 is 17382875111.

11157828371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11157828371 - 2¹⁰ = 11157827347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11157828301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16554305 + ... + 16554978.

It is an arithmetic number, because the mean of its divisors is an integer number (2797734498).

Almost surely, 2^11157828371 is an apocalyptic number.

11157828371 is a deficient number, since it is larger than the sum of its proper divisors (33109621).

11157828371 is an equidigital number, since it uses as much as digits as its factorization.

11157828371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33109620.

The product of its digits is 94080, while the sum is 44.

The spelling of 11157828371 in words is "eleven billion, one hundred fifty-seven million, eight hundred twenty-eight thousand, three hundred seventy-one".