1121554530433 has 4 divisors (see below), whose sum is σ = 1134156266820. Its totient is φ = 1108952794048.

The previous prime is 1121554530407. The next prime is 1121554530461. The reversal of 1121554530433 is 3340354551211.

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 511957422144 + 609597108289 = 715512^2 + 780767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121554530433 - 2²⁹ = 1121017659521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121554530392 and 1121554530401.

It is not an unprimeable number, because it can be changed into a prime (1121554530463) 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, 6300868060 + ... + 6300868237.

It is an arithmetic number, because the mean of its divisors is an integer number (283539066705).

Almost surely, 2^{1121554530433} is an apocalyptic number.

It is an amenable number.

1121554530433 is a deficient number, since it is larger than the sum of its proper divisors (12601736387).

1121554530433 is an equidigital number, since it uses as much as digits as its factorization.

1121554530433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601736386.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 1121554530433 in words is "one trillion, one hundred twenty-one billion, five hundred fifty-four million, five hundred thirty thousand, four hundred thirty-three".