21160156140443 has 8 divisors (see below), whose sum is σ = 21925526041200. Its totient is φ = 20397166862688.

The previous prime is 21160156140427. The next prime is 21160156140449. The reversal of 21160156140443 is 34404165106112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21160156140443 - 2⁴ = 21160156140427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21160156140397 and 21160156140406.

It is not an unprimeable number, because it can be changed into a prime (21160156140449) 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, 595137653 + ... + 595173206.

It is an arithmetic number, because the mean of its divisors is an integer number (2740690755150).

Almost surely, 2^{21160156140443} is an apocalyptic number.

21160156140443 is a deficient number, since it is larger than the sum of its proper divisors (765369900757).

21160156140443 is a wasteful number, since it uses less digits than its factorization.

21160156140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190311501.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 21160156140443 in words is "twenty-one trillion, one hundred sixty billion, one hundred fifty-six million, one hundred forty thousand, four hundred forty-three".