551042159599 has 2 divisors, whose sum is σ = 551042159600. Its totient is φ = 551042159598.

The previous prime is 551042159527. The next prime is 551042159659. The reversal of 551042159599 is 995951240155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551042159599 - 2¹⁷ = 551042028527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551042159999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275521079799 + 275521079800.

It is an arithmetic number, because the mean of its divisors is an integer number (275521079800).

Almost surely, 2^551042159599 is an apocalyptic number.

551042159599 is a deficient number, since it is larger than the sum of its proper divisors (1).

551042159599 is an equidigital number, since it uses as much as digits as its factorization.

551042159599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645000, while the sum is 55.

The spelling of 551042159599 in words is "five hundred fifty-one billion, forty-two million, one hundred fifty-nine thousand, five hundred ninety-nine".