136556045551 has 2 divisors, whose sum is σ = 136556045552. Its totient is φ = 136556045550.

The previous prime is 136556045501. The next prime is 136556045557. The reversal of 136556045551 is 155540655631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136556045551 - 2⁹ = 136556045039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136556045557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68278022775 + 68278022776.

It is an arithmetic number, because the mean of its divisors is an integer number (68278022776).

Almost surely, 2^136556045551 is an apocalyptic number.

136556045551 is a deficient number, since it is larger than the sum of its proper divisors (1).

136556045551 is an equidigital number, since it uses as much as digits as its factorization.

136556045551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 136556045551 in words is "one hundred thirty-six billion, five hundred fifty-six million, forty-five thousand, five hundred fifty-one".