43102043011 has 4 divisors (see below), whose sum is σ = 43520509552. Its totient is φ = 42683576472.

The previous prime is 43102042957. The next prime is 43102043021. The reversal of 43102043011 is 11034020134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11034020134 = 2 ⋅5517010067.

It is a cyclic number.

It is not a de Polignac number, because 43102043011 - 2⁹ = 43102042499 is a prime.

It is a super-2 number, since 2×43102043011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43102043011.

It is not an unprimeable number, because it can be changed into a prime (43102043021) 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, 209233116 + ... + 209233321.

It is an arithmetic number, because the mean of its divisors is an integer number (10880127388).

Almost surely, 2^43102043011 is an apocalyptic number.

43102043011 is a deficient number, since it is larger than the sum of its proper divisors (418466541).

43102043011 is a wasteful number, since it uses less digits than its factorization.

43102043011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418466540.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 43102043011 its reverse (11034020134), we get a palindrome (54136063145).

The spelling of 43102043011 in words is "forty-three billion, one hundred two million, forty-three thousand, eleven".