11173969920077 has 2 divisors, whose sum is σ = 11173969920078. Its totient is φ = 11173969920076.

The previous prime is 11173969919989. The next prime is 11173969920089. The reversal of 11173969920077 is 77002996937111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6723680116036 + 4450289804041 = 2593006^2 + 2109571^2 .

It is a cyclic number.

It is not a de Polignac number, because 11173969920077 - 2¹⁰ = 11173969919053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11173969920277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586984960038 + 5586984960039.

It is an arithmetic number, because the mean of its divisors is an integer number (5586984960039).

Almost surely, 2^{11173969920077} is an apocalyptic number.

It is an amenable number.

11173969920077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11173969920077 is an equidigital number, since it uses as much as digits as its factorization.

11173969920077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9001692, while the sum is 62.

The spelling of 11173969920077 in words is "eleven trillion, one hundred seventy-three billion, nine hundred sixty-nine million, nine hundred twenty thousand, seventy-seven".