11111011151 has 2 divisors, whose sum is σ = 11111011152. Its totient is φ = 11111011150.

The previous prime is 11111011139. The next prime is 11111011183. The reversal of 11111011151 is 15111011111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111011151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111016151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505575 + 5555505576.

It is an arithmetic number, because the mean of its divisors is an integer number (5555505576).

Almost surely, 2^11111011151 is an apocalyptic number.

11111011151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111011151 is an equidigital number, since it uses as much as digits as its factorization.

11111011151 is an evil number, because the sum of its binary digits is even.

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

Adding to 11111011151 its reverse (15111011111), we get a palindrome (26222022262).

The spelling of 11111011151 in words is "eleven billion, one hundred eleven million, eleven thousand, one hundred fifty-one".