9145255551203 has 4 divisors (see below), whose sum is σ = 9626584790760. Its totient is φ = 8663926311648.

The previous prime is 9145255551101. The next prime is 9145255551221. The reversal of 9145255551203 is 3021555525419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9145255551203 - 2²⁰ = 9145254502627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9145255551253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240664619750 + ... + 240664619787.

It is an arithmetic number, because the mean of its divisors is an integer number (2406646197690).

Almost surely, 2^{9145255551203} is an apocalyptic number.

9145255551203 is a deficient number, since it is larger than the sum of its proper divisors (481329239557).

9145255551203 is a wasteful number, since it uses less digits than its factorization.

9145255551203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481329239556.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 9145255551203 in words is "nine trillion, one hundred forty-five billion, two hundred fifty-five million, five hundred fifty-one thousand, two hundred three".