11395857838 has 8 divisors (see below), whose sum is σ = 17099090280. Its totient is φ = 5696161080.

The previous prime is 11395857833. The next prime is 11395857853. The reversal of 11395857838 is 83875859311.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11395857833) 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 3 ways as a sum of consecutive naturals, for example, 875848 + ... + 888763.

It is an arithmetic number, because the mean of its divisors is an integer number (2137386285).

Almost surely, 2^11395857838 is an apocalyptic number.

11395857838 is a deficient number, since it is larger than the sum of its proper divisors (5703232442).

11395857838 is a wasteful number, since it uses less digits than its factorization.

11395857838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767842.

The product of its digits is 7257600, while the sum is 58.

The spelling of 11395857838 in words is "eleven billion, three hundred ninety-five million, eight hundred fifty-seven thousand, eight hundred thirty-eight".