11251041523 has 4 divisors (see below), whose sum is σ = 11301494848. Its totient is φ = 11200588200.

The previous prime is 11251041517. The next prime is 11251041553. The reversal of 11251041523 is 32514015211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11251041523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11251041553) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25226328 + ... + 25226773.

It is an arithmetic number, because the mean of its divisors is an integer number (2825373712).

Almost surely, 2^11251041523 is an apocalyptic number.

11251041523 is a deficient number, since it is larger than the sum of its proper divisors (50453325).

11251041523 is an equidigital number, since it uses as much as digits as its factorization.

11251041523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50453324.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11251041523 its reverse (32514015211), we get a palindrome (43765056734).

The spelling of 11251041523 in words is "eleven billion, two hundred fifty-one million, forty-one thousand, five hundred twenty-three".