11475845143 has 16 divisors (see below), whose sum is σ = 13635758080. Its totient is φ = 9450626400.

The previous prime is 11475845119. The next prime is 11475845153. The reversal of 11475845143 is 34154857411.

It is a cyclic number.

It is not a de Polignac number, because 11475845143 - 2¹³ = 11475836951 is a prime.

It is a super-2 number, since 2×11475845143² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11475845143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11475845153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160068 + ... + 220393.

It is an arithmetic number, because the mean of its divisors is an integer number (852234880).

Almost surely, 2^11475845143 is an apocalyptic number.

11475845143 is a deficient number, since it is larger than the sum of its proper divisors (2159912937).

11475845143 is a wasteful number, since it uses less digits than its factorization.

11475845143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380638.

The product of its digits is 268800, while the sum is 43.

The spelling of 11475845143 in words is "eleven billion, four hundred seventy-five million, eight hundred forty-five thousand, one hundred forty-three".