11553142245 has 8 divisors (see below), whose sum is σ = 18485027616. Its totient is φ = 6161675856.

The previous prime is 11553142241. The next prime is 11553142273. The reversal of 11553142245 is 54224135511.

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

It is not a de Polignac number, because 11553142245 - 2² = 11553142241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553142241) 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, 385104727 + ... + 385104756.

It is an arithmetic number, because the mean of its divisors is an integer number (2310628452).

Almost surely, 2^11553142245 is an apocalyptic number.

11553142245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11553142245 is a deficient number, since it is larger than the sum of its proper divisors (6931885371).

11553142245 is an equidigital number, since it uses as much as digits as its factorization.

11553142245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770209491.

The product of its digits is 24000, while the sum is 33.

Adding to 11553142245 its reverse (54224135511), we get a palindrome (65777277756).

The spelling of 11553142245 in words is "eleven billion, five hundred fifty-three million, one hundred forty-two thousand, two hundred forty-five".