11155104977 has 2 divisors, whose sum is σ = 11155104978. Its totient is φ = 11155104976.

The previous prime is 11155104943. The next prime is 11155105009. The reversal of 11155104977 is 77940155111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6065138641 + 5089966336 = 77879^2 + 71344^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155104977 - 2⁶ = 11155104913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155104937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577552488 + 5577552489.

It is an arithmetic number, because the mean of its divisors is an integer number (5577552489).

Almost surely, 2^11155104977 is an apocalyptic number.

It is an amenable number.

11155104977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155104977 is an equidigital number, since it uses as much as digits as its factorization.

11155104977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 41.

The spelling of 11155104977 in words is "eleven billion, one hundred fifty-five million, one hundred four thousand, nine hundred seventy-seven".