43242547621211 has 4 divisors (see below), whose sum is σ = 43242567896112. Its totient is φ = 43242527346312.

The previous prime is 43242547621103. The next prime is 43242547621219. The reversal of 43242547621211 is 11212674524234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43242547621211 - 2¹⁰ = 43242547620187 is a prime.

It is a super-2 number, since 2×43242547621211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43242547621219) 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, 6504176 + ... + 11348541.

It is an arithmetic number, because the mean of its divisors is an integer number (10810641974028).

Almost surely, 2^{43242547621211} is an apocalyptic number.

43242547621211 is a deficient number, since it is larger than the sum of its proper divisors (20274901).

43242547621211 is a wasteful number, since it uses less digits than its factorization.

43242547621211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20274900.

The product of its digits is 645120, while the sum is 44.

The spelling of 43242547621211 in words is "forty-three trillion, two hundred forty-two billion, five hundred forty-seven million, six hundred twenty-one thousand, two hundred eleven".