1115100423551 has 2 divisors, whose sum is σ = 1115100423552. Its totient is φ = 1115100423550.

The previous prime is 1115100423473. The next prime is 1115100423581. The reversal of 1115100423551 is 1553240015111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115100423551 - 2³⁸ = 840222516607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115100423581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557550211775 + 557550211776.

It is an arithmetic number, because the mean of its divisors is an integer number (557550211776).

Almost surely, 2^{1115100423551} is an apocalyptic number.

1115100423551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115100423551 is an equidigital number, since it uses as much as digits as its factorization.

1115100423551 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 29.

Adding to 1115100423551 its reverse (1553240015111), we get a palindrome (2668340438662).

The spelling of 1115100423551 in words is "one trillion, one hundred fifteen billion, one hundred million, four hundred twenty-three thousand, five hundred fifty-one".