73371511121 has 2 divisors, whose sum is σ = 73371511122. Its totient is φ = 73371511120.

The previous prime is 73371511039. The next prime is 73371511153. The reversal of 73371511121 is 12111517337.

It is an a-pointer prime, because the next prime (73371511153) can be obtained adding 73371511121 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62480501521 + 10891009600 = 249961^2 + 104360^2 .

It is an emirp because it is prime and its reverse (12111517337) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73371511121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73371511181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36685755560 + 36685755561.

It is an arithmetic number, because the mean of its divisors is an integer number (36685755561).

Almost surely, 2^73371511121 is an apocalyptic number.

It is an amenable number.

73371511121 is a deficient number, since it is larger than the sum of its proper divisors (1).

73371511121 is an equidigital number, since it uses as much as digits as its factorization.

73371511121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 32.

The spelling of 73371511121 in words is "seventy-three billion, three hundred seventy-one million, five hundred eleven thousand, one hundred twenty-one".