1043622213521 has 8 divisors (see below), whose sum is σ = 1050063276384. Its totient is φ = 1037181620160.

The previous prime is 1043622213463. The next prime is 1043622213671. The reversal of 1043622213521 is 1253122263401.

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 1043622213521 - 2¹⁰ = 1043622212497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043622213121) 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, 5038025 + ... + 5241081.

It is an arithmetic number, because the mean of its divisors is an integer number (131257909548).

Almost surely, 2^{1043622213521} is an apocalyptic number.

It is an amenable number.

1043622213521 is a deficient number, since it is larger than the sum of its proper divisors (6441062863).

1043622213521 is a wasteful number, since it uses less digits than its factorization.

1043622213521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234751.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 1043622213521 its reverse (1253122263401), we get a palindrome (2296744476922).

The spelling of 1043622213521 in words is "one trillion, forty-three billion, six hundred twenty-two million, two hundred thirteen thousand, five hundred twenty-one".