11553503423441 has 8 divisors (see below), whose sum is σ = 13363088297664. Its totient is φ = 9783689645520.

The previous prime is 11553503423437. The next prime is 11553503423447. The reversal of 11553503423441 is 14432430535511.

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

It is not a de Polignac number, because 11553503423441 - 2² = 11553503423437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11553503423447) 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, 9942773450 + ... + 9942774611.

It is an arithmetic number, because the mean of its divisors is an integer number (1670386037208).

Almost surely, 2^{11553503423441} is an apocalyptic number.

It is an amenable number.

11553503423441 is a deficient number, since it is larger than the sum of its proper divisors (1809584874223).

11553503423441 is an equidigital number, since it uses as much as digits as its factorization.

11553503423441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885548151.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 11553503423441 its reverse (14432430535511), we get a palindrome (25985933958952).

The spelling of 11553503423441 in words is "eleven trillion, five hundred fifty-three billion, five hundred three million, four hundred twenty-three thousand, four hundred forty-one".