1111111111153 has 2 divisors, whose sum is σ = 1111111111154. Its totient is φ = 1111111111152.

The previous prime is 1111111111139. The next prime is 1111111111157. The reversal of 1111111111153 is 3511111111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954855345889 + 156255765264 = 977167^2 + 395292^2 .

It is an emirp because it is prime and its reverse (3511111111111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111111111153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111111111153.

It is not a weakly prime, because it can be changed into another prime (1111111111157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555555576 + 555555555577.

It is an arithmetic number, because the mean of its divisors is an integer number (555555555577).

Almost surely, 2^{1111111111153} is an apocalyptic number.

It is an amenable number.

1111111111153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111111111153 is an equidigital number, since it uses as much as digits as its factorization.

1111111111153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15, while the sum is 19.

Adding to 1111111111153 its reverse (3511111111111), we get a palindrome (4622222222264).

The spelling of 1111111111153 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred fifty-three".