55802635810811 has 2 divisors, whose sum is σ = 55802635810812. Its totient is φ = 55802635810810.

The previous prime is 55802635810783. The next prime is 55802635810829. The reversal of 55802635810811 is 11801853620855.

It is a happy number.

55802635810811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55802635810811 - 2²² = 55802631616507 is a prime.

It is a super-2 number, since 2×55802635810811² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55802635819811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27901317905405 + 27901317905406.

It is an arithmetic number, because the mean of its divisors is an integer number (27901317905406).

Almost surely, 2^{55802635810811} is an apocalyptic number.

55802635810811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55802635810811 is an equidigital number, since it uses as much as digits as its factorization.

55802635810811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304000, while the sum is 53.

The spelling of 55802635810811 in words is "fifty-five trillion, eight hundred two billion, six hundred thirty-five million, eight hundred ten thousand, eight hundred eleven".