11303553412523 has 8 divisors (see below), whose sum is σ = 12598387704720. Its totient is φ = 10078710163200.

The previous prime is 11303553412507. The next prime is 11303553412537. The reversal of 11303553412523 is 32521435530311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11303553412523 - 2⁴ = 11303553412507 is a prime.

It is a super-2 number, since 2×11303553412523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303553912523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17497760378 + ... + 17497761023.

It is an arithmetic number, because the mean of its divisors is an integer number (1574798463090).

Almost surely, 2^{11303553412523} is an apocalyptic number.

11303553412523 is a deficient number, since it is larger than the sum of its proper divisors (1294834292197).

11303553412523 is a wasteful number, since it uses less digits than its factorization.

11303553412523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34995521437.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 11303553412523 its reverse (32521435530311), we get a palindrome (43824988942834).

The spelling of 11303553412523 in words is "eleven trillion, three hundred three billion, five hundred fifty-three million, four hundred twelve thousand, five hundred twenty-three".