73750009511 has 2 divisors, whose sum is σ = 73750009512. Its totient is φ = 73750009510.

The previous prime is 73750009483. The next prime is 73750009513. The reversal of 73750009511 is 11590005737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73750009511 - 2¹⁰ = 73750008487 is a prime.

Together with 73750009513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73750009513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36875004755 + 36875004756.

It is an arithmetic number, because the mean of its divisors is an integer number (36875004756).

Almost surely, 2^73750009511 is an apocalyptic number.

73750009511 is a deficient number, since it is larger than the sum of its proper divisors (1).

73750009511 is an equidigital number, since it uses as much as digits as its factorization.

73750009511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33075, while the sum is 38.

The spelling of 73750009511 in words is "seventy-three billion, seven hundred fifty million, nine thousand, five hundred eleven".