11542353321 has 4 divisors (see below), whose sum is σ = 15389804432. Its totient is φ = 7694902212.

The previous prime is 11542353311. The next prime is 11542353341. The reversal of 11542353321 is 12335324511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11542353321 - 2⁶ = 11542353257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11542353311) 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, 1923725551 + ... + 1923725556.

It is an arithmetic number, because the mean of its divisors is an integer number (3847451108).

Almost surely, 2^11542353321 is an apocalyptic number.

It is an amenable number.

11542353321 is a deficient number, since it is larger than the sum of its proper divisors (3847451111).

11542353321 is an equidigital number, since it uses as much as digits as its factorization.

11542353321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847451110.

The product of its digits is 10800, while the sum is 30.

Adding to 11542353321 its reverse (12335324511), we get a palindrome (23877677832).

The spelling of 11542353321 in words is "eleven billion, five hundred forty-two million, three hundred fifty-three thousand, three hundred twenty-one".