1111156530133 has 4 divisors (see below), whose sum is σ = 1196630109388. Its totient is φ = 1025682950880.

The previous prime is 1111156530061. The next prime is 1111156530157. The reversal of 1111156530133 is 3310356511111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196105494244 + 915051035889 = 442838^2 + 956583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111156530133 - 2¹⁷ = 1111156399061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111156530095 and 1111156530104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111156500133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42736789608 + ... + 42736789633.

It is an arithmetic number, because the mean of its divisors is an integer number (299157527347).

Almost surely, 2^{1111156530133} is an apocalyptic number.

1111156530133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111156530133 is a deficient number, since it is larger than the sum of its proper divisors (85473579255).

1111156530133 is an equidigital number, since it uses as much as digits as its factorization.

1111156530133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85473579254.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 1111156530133 in words is "one trillion, one hundred eleven billion, one hundred fifty-six million, five hundred thirty thousand, one hundred thirty-three".