1105150515551 has 2 divisors, whose sum is σ = 1105150515552. Its totient is φ = 1105150515550.

The previous prime is 1105150515517. The next prime is 1105150515577. The reversal of 1105150515551 is 1555150515011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105150515551 - 2¹⁸ = 1105150253407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105150515151) 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, 552575257775 + 552575257776.

It is an arithmetic number, because the mean of its divisors is an integer number (552575257776).

Almost surely, 2^{1105150515551} is an apocalyptic number.

1105150515551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105150515551 is an equidigital number, since it uses as much as digits as its factorization.

1105150515551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15625, while the sum is 35.

The spelling of 1105150515551 in words is "one trillion, one hundred five billion, one hundred fifty million, five hundred fifteen thousand, five hundred fifty-one".