54513544131191 has 2 divisors, whose sum is σ = 54513544131192. Its totient is φ = 54513544131190.

The previous prime is 54513544131121. The next prime is 54513544131209. The reversal of 54513544131191 is 19113144531545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54513544131191 - 2³⁸ = 54238666224247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54513544131121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27256772065595 + 27256772065596.

It is an arithmetic number, because the mean of its divisors is an integer number (27256772065596).

Almost surely, 2^{54513544131191} is an apocalyptic number.

54513544131191 is a deficient number, since it is larger than the sum of its proper divisors (1).

54513544131191 is an equidigital number, since it uses as much as digits as its factorization.

54513544131191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 47.

The spelling of 54513544131191 in words is "fifty-four trillion, five hundred thirteen billion, five hundred forty-four million, one hundred thirty-one thousand, one hundred ninety-one".