55112651161069 has 2 divisors, whose sum is σ = 55112651161070. Its totient is φ = 55112651161068.

The previous prime is 55112651160997. The next prime is 55112651161103. The reversal of 55112651161069 is 96016115621155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43851056172169 + 11261594988900 = 6622013^2 + 3355830^2 .

It is a cyclic number.

It is not a de Polignac number, because 55112651161069 - 2⁹ = 55112651160557 is a prime.

It is a super-2 number, since 2×55112651161069² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55112651161969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27556325580534 + 27556325580535.

It is an arithmetic number, because the mean of its divisors is an integer number (27556325580535).

Almost surely, 2^{55112651161069} is an apocalyptic number.

It is an amenable number.

55112651161069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55112651161069 is an equidigital number, since it uses as much as digits as its factorization.

55112651161069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 49.

The spelling of 55112651161069 in words is "fifty-five trillion, one hundred twelve billion, six hundred fifty-one million, one hundred sixty-one thousand, sixty-nine".