73511411551 has 2 divisors, whose sum is σ = 73511411552. Its totient is φ = 73511411550.

The previous prime is 73511411447. The next prime is 73511411579. The reversal of 73511411551 is 15511411537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73511411551 - 2⁷ = 73511411423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73511411581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36755705775 + 36755705776.

It is an arithmetic number, because the mean of its divisors is an integer number (36755705776).

Almost surely, 2^73511411551 is an apocalyptic number.

73511411551 is a deficient number, since it is larger than the sum of its proper divisors (1).

73511411551 is an equidigital number, since it uses as much as digits as its factorization.

73511411551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 34.

The spelling of 73511411551 in words is "seventy-three billion, five hundred eleven million, four hundred eleven thousand, five hundred fifty-one".