11150738855917 has 2 divisors, whose sum is σ = 11150738855918. Its totient is φ = 11150738855916.

The previous prime is 11150738855899. The next prime is 11150738856017. The reversal of 11150738855917 is 71955883705111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9675403101961 + 1475335753956 = 3110531^2 + 1214634^2 .

It is a cyclic number.

It is not a de Polignac number, because 11150738855917 - 2³⁹ = 10600983042029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11150738855317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575369427958 + 5575369427959.

It is an arithmetic number, because the mean of its divisors is an integer number (5575369427959).

Almost surely, 2^{11150738855917} is an apocalyptic number.

It is an amenable number.

11150738855917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11150738855917 is an equidigital number, since it uses as much as digits as its factorization.

11150738855917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 61.

The spelling of 11150738855917 in words is "eleven trillion, one hundred fifty billion, seven hundred thirty-eight million, eight hundred fifty-five thousand, nine hundred seventeen".