11156854541137 has 2 divisors, whose sum is σ = 11156854541138. Its totient is φ = 11156854541136.

The previous prime is 11156854541099. The next prime is 11156854541141. The reversal of 11156854541137 is 73114545865111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11147211497536 + 9643043601 = 3338744^2 + 98199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11156854541137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11156854541237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578427270568 + 5578427270569.

It is an arithmetic number, because the mean of its divisors is an integer number (5578427270569).

Almost surely, 2^{11156854541137} is an apocalyptic number.

It is an amenable number.

11156854541137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156854541137 is an equidigital number, since it uses as much as digits as its factorization.

11156854541137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 52.

The spelling of 11156854541137 in words is "eleven trillion, one hundred fifty-six billion, eight hundred fifty-four million, five hundred forty-one thousand, one hundred thirty-seven".