11156016149 has 2 divisors, whose sum is σ = 11156016150. Its totient is φ = 11156016148.

The previous prime is 11156016127. The next prime is 11156016161. The reversal of 11156016149 is 94161065111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10888922500 + 267093649 = 104350^2 + 16343^2 .

It is a cyclic number.

It is not a de Polignac number, because 11156016149 - 2¹² = 11156012053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156010149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578008074 + 5578008075.

It is an arithmetic number, because the mean of its divisors is an integer number (5578008075).

Almost surely, 2^11156016149 is an apocalyptic number.

It is an amenable number.

11156016149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156016149 is an equidigital number, since it uses as much as digits as its factorization.

11156016149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 11156016149 in words is "eleven billion, one hundred fifty-six million, sixteen thousand, one hundred forty-nine".