1045203500513 has 4 divisors (see below), whose sum is σ = 1048198353300. Its totient is φ = 1042208647728.

The previous prime is 1045203500477. The next prime is 1045203500519. The reversal of 1045203500513 is 3150053025401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 951106711009 + 94096789504 = 975247^2 + 306752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045203500513 - 2⁶ = 1045203500449 is a prime.

It is a super-3 number, since 3×1045203500513³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045203500519) 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, 1497425870 + ... + 1497426567.

It is an arithmetic number, because the mean of its divisors is an integer number (262049588325).

Almost surely, 2^{1045203500513} is an apocalyptic number.

It is an amenable number.

1045203500513 is a deficient number, since it is larger than the sum of its proper divisors (2994852787).

1045203500513 is an equidigital number, since it uses as much as digits as its factorization.

1045203500513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994852786.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 1045203500513 its reverse (3150053025401), we get a palindrome (4195256525914).

The spelling of 1045203500513 in words is "one trillion, forty-five billion, two hundred three million, five hundred thousand, five hundred thirteen".