7145543511 has 12 divisors (see below), whose sum is σ = 10335705120. Its totient is φ = 4757065920.

The previous prime is 7145543473. The next prime is 7145543543. The reversal of 7145543511 is 1153455417.

7145543511 is a `hidden beast` number, since 71 + 4 + 554 + 35 + 1 + 1 = 666.

It is not a de Polignac number, because 7145543511 - 2¹⁴ = 7145527127 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145543611) 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 11 ways as a sum of consecutive naturals, for example, 545650 + ... + 558591.

It is an arithmetic number, because the mean of its divisors is an integer number (861308760).

Almost surely, 2^7145543511 is an apocalyptic number.

7145543511 is a deficient number, since it is larger than the sum of its proper divisors (3190161609).

7145543511 is a wasteful number, since it uses less digits than its factorization.

7145543511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104966 (or 1104963 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 7145543511 is about 84531.3167471086. The cubic root of 7145543511 is about 1926.0981881083.

Adding to 7145543511 its reverse (1153455417), we get a palindrome (8298998928).

The spelling of 7145543511 in words is "seven billion, one hundred forty-five million, five hundred forty-three thousand, five hundred eleven".