11553233353523 has 4 divisors (see below), whose sum is σ = 11558365845048. Its totient is φ = 11548100862000.

The previous prime is 11553233353499. The next prime is 11553233353547. The reversal of 11553233353523 is 32535333235511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11553233353499) and next prime (11553233353547).

It is a cyclic number.

It is not a de Polignac number, because 11553233353523 - 2¹⁰ = 11553233352499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11553233353573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566242386 + ... + 2566246887.

It is an arithmetic number, because the mean of its divisors is an integer number (2889591461262).

Almost surely, 2^{11553233353523} is an apocalyptic number.

11553233353523 is a deficient number, since it is larger than the sum of its proper divisors (5132491525).

11553233353523 is an equidigital number, since it uses as much as digits as its factorization.

11553233353523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132491524.

The product of its digits is 1822500, while the sum is 44.

The spelling of 11553233353523 in words is "eleven trillion, five hundred fifty-three billion, two hundred thirty-three million, three hundred fifty-three thousand, five hundred twenty-three".