55711161061 has 2 divisors, whose sum is σ = 55711161062. Its totient is φ = 55711161060.

The previous prime is 55711161043. The next prime is 55711161127. The reversal of 55711161061 is 16016111755.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43768824100 + 11942336961 = 209210^2 + 109281^2 .

It is a cyclic number.

It is not a de Polignac number, because 55711161061 - 2³⁵ = 21351422693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55711161031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27855580530 + 27855580531.

It is an arithmetic number, because the mean of its divisors is an integer number (27855580531).

Almost surely, 2^55711161061 is an apocalyptic number.

It is an amenable number.

55711161061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55711161061 is an equidigital number, since it uses as much as digits as its factorization.

55711161061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 55711161061 in words is "fifty-five billion, seven hundred eleven million, one hundred sixty-one thousand, sixty-one".