75052111 has 2 divisors, whose sum is σ = 75052112. Its totient is φ = 75052110.

The previous prime is 75052073. The next prime is 75052129. The reversal of 75052111 is 11125057.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75052111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75052141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37526055 + 37526056.

It is an arithmetic number, because the mean of its divisors is an integer number (37526056).

Almost surely, 2^75052111 is an apocalyptic number.

75052111 is a deficient number, since it is larger than the sum of its proper divisors (1).

75052111 is an equidigital number, since it uses as much as digits as its factorization.

75052111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 75052111 is about 8663.2621454046. The cubic root of 75052111 is about 421.8139814154.

Adding to 75052111 its reverse (11125057), we get a palindrome (86177168).

The spelling of 75052111 in words is "seventy-five million, fifty-two thousand, one hundred eleven".