72030230011 has 4 divisors (see below), whose sum is σ = 72403443832. Its totient is φ = 71657016192.

The previous prime is 72030229987. The next prime is 72030230053. The reversal of 72030230011 is 11003203027.

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 72030230011 - 2²⁹ = 71493359099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72030230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186606621 + ... + 186607006.

It is an arithmetic number, because the mean of its divisors is an integer number (18100860958).

Almost surely, 2^72030230011 is an apocalyptic number.

72030230011 is a deficient number, since it is larger than the sum of its proper divisors (373213821).

72030230011 is a wasteful number, since it uses less digits than its factorization.

72030230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373213820.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 72030230011 its reverse (11003203027), we get a palindrome (83033433038).

The spelling of 72030230011 in words is "seventy-two billion, thirty million, two hundred thirty thousand, eleven".