11101032157 has 2 divisors, whose sum is σ = 11101032158. Its totient is φ = 11101032156.

The previous prime is 11101032143. The next prime is 11101032221. The reversal of 11101032157 is 75123010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8365114521 + 2735917636 = 91461^2 + 52306^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101032157 - 2⁷ = 11101032029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101032557) 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, 5550516078 + 5550516079.

It is an arithmetic number, because the mean of its divisors is an integer number (5550516079).

Almost surely, 2^11101032157 is an apocalyptic number.

It is an amenable number.

11101032157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101032157 is an equidigital number, since it uses as much as digits as its factorization.

11101032157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 22.

Adding to 11101032157 its reverse (75123010111), we get a palindrome (86224042268).

The spelling of 11101032157 in words is "eleven billion, one hundred one million, thirty-two thousand, one hundred fifty-seven".