1111311053 has 2 divisors, whose sum is σ = 1111311054. Its totient is φ = 1111311052.

The previous prime is 1111311031. The next prime is 1111311073. The reversal of 1111311053 is 3501131111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806389609 + 304921444 = 28397^2 + 17462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111311053 - 2⁶ = 1111310989 is a prime.

It is a super-3 number, since 3×1111311053³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111311073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555655526 + 555655527.

It is an arithmetic number, because the mean of its divisors is an integer number (555655527).

Almost surely, 2^1111311053 is an apocalyptic number.

It is an amenable number.

1111311053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111311053 is an equidigital number, since it uses as much as digits as its factorization.

1111311053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 1111311053 is about 33336.3323267572. The cubic root of 1111311053 is about 1035.8062915188.

Adding to 1111311053 its reverse (3501131111), we get a palindrome (4612442164).

The spelling of 1111311053 in words is "one billion, one hundred eleven million, three hundred eleven thousand, fifty-three".