73511411137 has 2 divisors, whose sum is σ = 73511411138. Its totient is φ = 73511411136.

The previous prime is 73511411131. The next prime is 73511411159. The reversal of 73511411137 is 73111411537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50428990096 + 23082421041 = 224564^2 + 151929^2 .

It is an emirp because it is prime and its reverse (73111411537) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73511411137 is a prime.

It is not a weakly prime, because it can be changed into another prime (73511411131) 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 as a sum of consecutive naturals, namely, 36755705568 + 36755705569.

It is an arithmetic number, because the mean of its divisors is an integer number (36755705569).

Almost surely, 2^73511411137 is an apocalyptic number.

It is an amenable number.

73511411137 is a deficient number, since it is larger than the sum of its proper divisors (1).

73511411137 is an equidigital number, since it uses as much as digits as its factorization.

73511411137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 34.

The spelling of 73511411137 in words is "seventy-three billion, five hundred eleven million, four hundred eleven thousand, one hundred thirty-seven".