59878540091 has 2 divisors, whose sum is σ = 59878540092. Its totient is φ = 59878540090.

The previous prime is 59878540081. The next prime is 59878540093. The reversal of 59878540091 is 19004587895.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 59878540091 - 2⁶ = 59878540027 is a prime.

Together with 59878540093, 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 (59878540093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29939270045 + 29939270046.

It is an arithmetic number, because the mean of its divisors is an integer number (29939270046).

Almost surely, 2^59878540091 is an apocalyptic number.

59878540091 is a deficient number, since it is larger than the sum of its proper divisors (1).

59878540091 is an equidigital number, since it uses as much as digits as its factorization.

59878540091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 59878540091 in words is "fifty-nine billion, eight hundred seventy-eight million, five hundred forty thousand, ninety-one".