55110101089 has 2 divisors, whose sum is σ = 55110101090. Its totient is φ = 55110101088.

The previous prime is 55110101071. The next prime is 55110101131. The reversal of 55110101089 is 98010101155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55052644689 + 57456400 = 234633^2 + 7580^2 .

It is a cyclic number.

It is not a de Polignac number, because 55110101089 - 2¹¹ = 55110099041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55110101089.

It is not a weakly prime, because it can be changed into another prime (55110101069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555050544 + 27555050545.

It is an arithmetic number, because the mean of its divisors is an integer number (27555050545).

Almost surely, 2^55110101089 is an apocalyptic number.

It is an amenable number.

55110101089 is a deficient number, since it is larger than the sum of its proper divisors (1).

55110101089 is an equidigital number, since it uses as much as digits as its factorization.

55110101089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 31.

The spelling of 55110101089 in words is "fifty-five billion, one hundred ten million, one hundred one thousand, eighty-nine".