11543770172 has 12 divisors (see below), whose sum is σ = 22038106776. Its totient is φ = 5247168240.

The previous prime is 11543770163. The next prime is 11543770177. The reversal of 11543770172 is 27107734511.

11543770172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543770177) 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, 131179163 + ... + 131179250.

It is an arithmetic number, because the mean of its divisors is an integer number (1836508898).

Almost surely, 2^11543770172 is an apocalyptic number.

It is an amenable number.

11543770172 is a deficient number, since it is larger than the sum of its proper divisors (10494336604).

11543770172 is a wasteful number, since it uses less digits than its factorization.

11543770172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262358428 (or 262358426 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 11543770172 in words is "eleven billion, five hundred forty-three million, seven hundred seventy thousand, one hundred seventy-two".