11503254083 has 4 divisors (see below), whose sum is σ = 11814152880. Its totient is φ = 11192355288.

The previous prime is 11503254071. The next prime is 11503254097. The reversal of 11503254083 is 38045230511.

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 11503254083 - 2⁴ = 11503254067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11503254023) 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, 155449343 + ... + 155449416.

It is an arithmetic number, because the mean of its divisors is an integer number (2953538220).

Almost surely, 2^11503254083 is an apocalyptic number.

11503254083 is a deficient number, since it is larger than the sum of its proper divisors (310898797).

11503254083 is an equidigital number, since it uses as much as digits as its factorization.

11503254083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310898796.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 11503254083 its reverse (38045230511), we get a palindrome (49548484594).

The spelling of 11503254083 in words is "eleven billion, five hundred three million, two hundred fifty-four thousand, eighty-three".