11144156437 has 2 divisors, whose sum is σ = 11144156438. Its totient is φ = 11144156436.

The previous prime is 11144156383. The next prime is 11144156461. The reversal of 11144156437 is 73465144111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7504930161 + 3639226276 = 86631^2 + 60326^2 .

It is an emirp because it is prime and its reverse (73465144111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11144156437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11144156396 and 11144156405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11144156137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572078218 + 5572078219.

It is an arithmetic number, because the mean of its divisors is an integer number (5572078219).

Almost surely, 2^11144156437 is an apocalyptic number.

It is an amenable number.

11144156437 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144156437 is an equidigital number, since it uses as much as digits as its factorization.

11144156437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The spelling of 11144156437 in words is "eleven billion, one hundred forty-four million, one hundred fifty-six thousand, four hundred thirty-seven".