11400027157 has 2 divisors, whose sum is σ = 11400027158. Its totient is φ = 11400027156.

The previous prime is 11400027077. The next prime is 11400027169. The reversal of 11400027157 is 75172000411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9122924196 + 2277102961 = 95514^2 + 47719^2 .

It is a cyclic number.

It is not a de Polignac number, because 11400027157 - 2²³ = 11391638549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11400027187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700013578 + 5700013579.

It is an arithmetic number, because the mean of its divisors is an integer number (5700013579).

Almost surely, 2^11400027157 is an apocalyptic number.

It is an amenable number.

11400027157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11400027157 is an equidigital number, since it uses as much as digits as its factorization.

11400027157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 11400027157 its reverse (75172000411), we get a palindrome (86572027568).

The spelling of 11400027157 in words is "eleven billion, four hundred million, twenty-seven thousand, one hundred fifty-seven".