11011111151 has 2 divisors, whose sum is σ = 11011111152. Its totient is φ = 11011111150.

The previous prime is 11011111141. The next prime is 11011111187. The reversal of 11011111151 is 15111111011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011111151 - 2³⁰ = 9937369327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011111121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505555575 + 5505555576.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555576).

Almost surely, 2^11011111151 is an apocalyptic number.

11011111151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011111151 is an equidigital number, since it uses as much as digits as its factorization.

11011111151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 14.

Adding to 11011111151 its reverse (15111111011), we get a palindrome (26122222162).

The spelling of 11011111151 in words is "eleven billion, eleven million, one hundred eleven thousand, one hundred fifty-one".