11542014551321 has 4 divisors (see below), whose sum is σ = 11542223356944. Its totient is φ = 11541805745700.

The previous prime is 11542014551141. The next prime is 11542014551339. The reversal of 11542014551321 is 12315541024511.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11542014551321 - 2²⁶ = 11541947442457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11542014559321) 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, 104319875 + ... + 104430456.

It is an arithmetic number, because the mean of its divisors is an integer number (2885555839236).

Almost surely, 2^{11542014551321} is an apocalyptic number.

It is an amenable number.

11542014551321 is a deficient number, since it is larger than the sum of its proper divisors (208805623).

11542014551321 is an equidigital number, since it uses as much as digits as its factorization.

11542014551321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208805622.

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 11542014551321 its reverse (12315541024511), we get a palindrome (23857555575832).

The spelling of 11542014551321 in words is "eleven trillion, five hundred forty-two billion, fourteen million, five hundred fifty-one thousand, three hundred twenty-one".