55511101059959 has 2 divisors, whose sum is σ = 55511101059960. Its totient is φ = 55511101059958.

The previous prime is 55511101059919. The next prime is 55511101059979. The reversal of 55511101059959 is 95995010111555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55511101059959 - 2⁸ = 55511101059703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55511101059919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755550529979 + 27755550529980.

It is an arithmetic number, because the mean of its divisors is an integer number (27755550529980).

Almost surely, 2^{55511101059959} is an apocalyptic number.

55511101059959 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511101059959 is an equidigital number, since it uses as much as digits as its factorization.

55511101059959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2278125, while the sum is 56.

The spelling of 55511101059959 in words is "fifty-five trillion, five hundred eleven billion, one hundred one million, fifty-nine thousand, nine hundred fifty-nine".