73001011111 has 8 divisors (see below), whose sum is σ = 84168044064. Its totient is φ = 62018557440.

The previous prime is 73001011093. The next prime is 73001011121. The reversal of 73001011111 is 11111010037.

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

It is not a de Polignac number, because 73001011111 - 2²¹ = 72998913959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73001011121) 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, 46143970 + ... + 46145551.

It is an arithmetic number, because the mean of its divisors is an integer number (10521005508).

Almost surely, 2^73001011111 is an apocalyptic number.

73001011111 is a deficient number, since it is larger than the sum of its proper divisors (11167032953).

73001011111 is a wasteful number, since it uses less digits than its factorization.

73001011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92289641.

The product of its (nonzero) digits is 21, while the sum is 16.

Adding to 73001011111 its reverse (11111010037), we get a palindrome (84112021148).

The spelling of 73001011111 in words is "seventy-three billion, one million, eleven thousand, one hundred eleven".