59111891 has 2 divisors, whose sum is σ = 59111892. Its totient is φ = 59111890.

The previous prime is 59111887. The next prime is 59111893. The reversal of 59111891 is 19811195.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 59111891 - 2² = 59111887 is a prime.

Together with 59111893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (59111893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29555945 + 29555946.

It is an arithmetic number, because the mean of its divisors is an integer number (29555946).

Almost surely, 2^59111891 is an apocalyptic number.

59111891 is a deficient number, since it is larger than the sum of its proper divisors (1).

59111891 is an equidigital number, since it uses as much as digits as its factorization.

59111891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 35.

The square root of 59111891 is about 7688.4257816539. The cubic root of 59111891 is about 389.5455829385.

The spelling of 59111891 in words is "fifty-nine million, one hundred eleven thousand, eight hundred ninety-one".