11856473375 has 8 divisors (see below), whose sum is σ = 14796878928. Its totient is φ = 9485178600.

The previous prime is 11856473371. The next prime is 11856473383. The reversal of 11856473375 is 57337465811.

It is not a de Polignac number, because 11856473375 - 2² = 11856473371 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 (11856473371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47425769 + ... + 47426018.

It is an arithmetic number, because the mean of its divisors is an integer number (1849609866).

Almost surely, 2^11856473375 is an apocalyptic number.

11856473375 is a deficient number, since it is larger than the sum of its proper divisors (2940405553).

11856473375 is an frugal number, since it uses more digits than its factorization.

11856473375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94851802 (or 94851792 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The spelling of 11856473375 in words is "eleven billion, eight hundred fifty-six million, four hundred seventy-three thousand, three hundred seventy-five".