1121205032551 has 2 divisors, whose sum is σ = 1121205032552. Its totient is φ = 1121205032550.

The previous prime is 1121205032537. The next prime is 1121205032573. The reversal of 1121205032551 is 1552305021211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121205032551 - 2¹¹ = 1121205030503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121205032531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560602516275 + 560602516276.

It is an arithmetic number, because the mean of its divisors is an integer number (560602516276).

Almost surely, 2^{1121205032551} is an apocalyptic number.

1121205032551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121205032551 is an equidigital number, since it uses as much as digits as its factorization.

1121205032551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 1121205032551 in words is "one trillion, one hundred twenty-one billion, two hundred five million, thirty-two thousand, five hundred fifty-one".