9145506511 has 4 divisors (see below), whose sum is σ = 9145770232. Its totient is φ = 9145242792.

The previous prime is 9145506457. The next prime is 9145506523. The reversal of 9145506511 is 1156055419.

9145506511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1156055419 = 10487 ⋅110237.

It is a cyclic number.

It is not a de Polignac number, because 9145506511 - 2¹⁷ = 9145375439 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 (9145506551) 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, 70245 + ... + 152398.

It is an arithmetic number, because the mean of its divisors is an integer number (2286442558).

Almost surely, 2^9145506511 is an apocalyptic number.

9145506511 is a deficient number, since it is larger than the sum of its proper divisors (263721).

9145506511 is a wasteful number, since it uses less digits than its factorization.

9145506511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263720.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 9145506511 is about 95632.1416209007. The cubic root of 9145506511 is about 2091.2337907922.

The spelling of 9145506511 in words is "nine billion, one hundred forty-five million, five hundred six thousand, five hundred eleven".