11144554346521 has 8 divisors (see below), whose sum is σ = 11168270150400. Its totient is φ = 11120840416560.

The previous prime is 11144554346447. The next prime is 11144554346531. The reversal of 11144554346521 is 12564345544111.

It is a happy number.

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 11144554346521 - 2²⁹ = 11144017475609 is a prime.

It is a super-2 number, since 2×11144554346521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144554346531) 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, 11778670 + ... + 12689608.

It is an arithmetic number, because the mean of its divisors is an integer number (1396033768800).

Almost surely, 2^{11144554346521} is an apocalyptic number.

It is an amenable number.

11144554346521 is a deficient number, since it is larger than the sum of its proper divisors (23715803879).

11144554346521 is an equidigital number, since it uses as much as digits as its factorization.

11144554346521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936959.

The product of its digits is 1152000, while the sum is 46.

The spelling of 11144554346521 in words is "eleven trillion, one hundred forty-four billion, five hundred fifty-four million, three hundred forty-six thousand, five hundred twenty-one".