1775116061 has 2 divisors, whose sum is σ = 1775116062. Its totient is φ = 1775116060.

The previous prime is 1775116037. The next prime is 1775116073. The reversal of 1775116061 is 1606115771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1691759161 + 83356900 = 41131^2 + 9130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1775116061 - 2¹⁸ = 1774853917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1775110061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887558030 + 887558031.

It is an arithmetic number, because the mean of its divisors is an integer number (887558031).

Almost surely, 2^1775116061 is an apocalyptic number.

It is an amenable number.

1775116061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1775116061 is an equidigital number, since it uses as much as digits as its factorization.

1775116061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 1775116061 is about 42132.1262340272. The cubic root of 1775116061 is about 1210.8088440272.

The spelling of 1775116061 in words is "one billion, seven hundred seventy-five million, one hundred sixteen thousand, sixty-one".