11144250157 has 2 divisors, whose sum is σ = 11144250158. Its totient is φ = 11144250156.

The previous prime is 11144250121. The next prime is 11144250209. The reversal of 11144250157 is 75105244111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9602824036 + 1541426121 = 97994^2 + 39261^2 .

It is an emirp because it is prime and its reverse (75105244111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11144250157 - 2¹⁵ = 11144217389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11144250107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572125078 + 5572125079.

It is an arithmetic number, because the mean of its divisors is an integer number (5572125079).

Almost surely, 2^11144250157 is an apocalyptic number.

It is an amenable number.

11144250157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144250157 is an equidigital number, since it uses as much as digits as its factorization.

11144250157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 11144250157 its reverse (75105244111), we get a palindrome (86249494268).

The spelling of 11144250157 in words is "eleven billion, one hundred forty-four million, two hundred fifty thousand, one hundred fifty-seven".