1115154822553 has 2 divisors, whose sum is σ = 1115154822554. Its totient is φ = 1115154822552.

The previous prime is 1115154822461. The next prime is 1115154822571. The reversal of 1115154822553 is 3552284515111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 663136606224 + 452018216329 = 814332^2 + 672323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115154822553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115154823553) 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, 557577411276 + 557577411277.

It is an arithmetic number, because the mean of its divisors is an integer number (557577411277).

Almost surely, 2^{1115154822553} is an apocalyptic number.

It is an amenable number.

1115154822553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115154822553 is an equidigital number, since it uses as much as digits as its factorization.

1115154822553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240000, while the sum is 43.

The spelling of 1115154822553 in words is "one trillion, one hundred fifteen billion, one hundred fifty-four million, eight hundred twenty-two thousand, five hundred fifty-three".