11310331553 has 8 divisors (see below), whose sum is σ = 11440116000. Its totient is φ = 11180607328.

The previous prime is 11310331519. The next prime is 11310331561. The reversal of 11310331553 is 35513301311.

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 11310331553 - 2¹⁰ = 11310330529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310331853) 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, 441350 + ... + 466272.

It is an arithmetic number, because the mean of its divisors is an integer number (1430014500).

Almost surely, 2^11310331553 is an apocalyptic number.

It is an amenable number.

11310331553 is a deficient number, since it is larger than the sum of its proper divisors (129784447).

11310331553 is an equidigital number, since it uses as much as digits as its factorization.

11310331553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30111.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 11310331553 its reverse (35513301311), we get a palindrome (46823632864).

The spelling of 11310331553 in words is "eleven billion, three hundred ten million, three hundred thirty-one thousand, five hundred fifty-three".