11121178433 has 2 divisors, whose sum is σ = 11121178434. Its totient is φ = 11121178432.

The previous prime is 11121178427. The next prime is 11121178457. The reversal of 11121178433 is 33487112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6858655489 + 4262522944 = 82817^2 + 65288^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121178433 - 2¹⁰ = 11121177409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11121178433.

It is not a weakly prime, because it can be changed into another prime (11121178403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560589216 + 5560589217.

It is an arithmetic number, because the mean of its divisors is an integer number (5560589217).

Almost surely, 2^11121178433 is an apocalyptic number.

It is an amenable number.

11121178433 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121178433 is an equidigital number, since it uses as much as digits as its factorization.

11121178433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The spelling of 11121178433 in words is "eleven billion, one hundred twenty-one million, one hundred seventy-eight thousand, four hundred thirty-three".