11553220133 has 8 divisors (see below), whose sum is σ = 14219347968. Its totient is φ = 9141009264.

The previous prime is 11553220127. The next prime is 11553220139. The reversal of 11553220133 is 33102235511.

It is an interprime number because it is at equal distance from previous prime (11553220127) and next prime (11553220139).

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 11553220133 - 2¹⁰ = 11553219109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553220139) 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, 63479141 + ... + 63479322.

It is an arithmetic number, because the mean of its divisors is an integer number (1777418496).

Almost surely, 2^11553220133 is an apocalyptic number.

11553220133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11553220133 is a deficient number, since it is larger than the sum of its proper divisors (2666127835).

11553220133 is a wasteful number, since it uses less digits than its factorization.

11553220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126958483.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 11553220133 its reverse (33102235511), we get a palindrome (44655455644).

The spelling of 11553220133 in words is "eleven billion, five hundred fifty-three million, two hundred twenty thousand, one hundred thirty-three".