1121523511411 has 16 divisors (see below), whose sum is σ = 1135534468320. Its totient is φ = 1107607392000.

The previous prime is 1121523511391. The next prime is 1121523511447. The reversal of 1121523511411 is 1141153251211.

It is a cyclic number.

It is not a de Polignac number, because 1121523511411 - 2⁵ = 1121523511379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121523511411.

It is not an unprimeable number, because it can be changed into a prime (1121523511111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30138805 + ... + 30175993.

It is an arithmetic number, because the mean of its divisors is an integer number (70970904270).

Almost surely, 2^{1121523511411} is an apocalyptic number.

1121523511411 is a deficient number, since it is larger than the sum of its proper divisors (14010956909).

1121523511411 is a wasteful number, since it uses less digits than its factorization.

1121523511411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38454.

The product of its digits is 1200, while the sum is 28.

Adding to 1121523511411 its reverse (1141153251211), we get a palindrome (2262676762622).

The spelling of 1121523511411 in words is "one trillion, one hundred twenty-one billion, five hundred twenty-three million, five hundred eleven thousand, four hundred eleven".