1145242503215 has 16 divisors (see below), whose sum is σ = 1400811904800. Its totient is φ = 898585132032.

The previous prime is 1145242503193. The next prime is 1145242503263. The reversal of 1145242503215 is 5123052425411.

It is a cyclic number.

It is not a de Polignac number, because 1145242503215 - 2¹⁰ = 1145242502191 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4355150 + ... + 4610619.

It is an arithmetic number, because the mean of its divisors is an integer number (87550744050).

Almost surely, 2^{1145242503215} is an apocalyptic number.

1145242503215 is a deficient number, since it is larger than the sum of its proper divisors (255569401585).

1145242503215 is an equidigital number, since it uses as much as digits as its factorization.

1145242503215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966266.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1145242503215 its reverse (5123052425411), we get a palindrome (6268294928626).

The spelling of 1145242503215 in words is "one trillion, one hundred forty-five billion, two hundred forty-two million, five hundred three thousand, two hundred fifteen".