11528495903 has 4 divisors (see below), whose sum is σ = 11667393528. Its totient is φ = 11389598280.

The previous prime is 11528495899. The next prime is 11528495921. The reversal of 11528495903 is 30959482511.

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 11528495903 - 2² = 11528495899 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 (11528495003) 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, 69448688 + ... + 69448853.

It is an arithmetic number, because the mean of its divisors is an integer number (2916848382).

Almost surely, 2^11528495903 is an apocalyptic number.

11528495903 is a deficient number, since it is larger than the sum of its proper divisors (138897625).

11528495903 is an equidigital number, since it uses as much as digits as its factorization.

11528495903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138897624.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 11528495903 in words is "eleven billion, five hundred twenty-eight million, four hundred ninety-five thousand, nine hundred three".