555742161247555 has 16 divisors (see below), whose sum is σ = 667046020241664. Its totient is φ = 444490117693920.

The previous prime is 555742161247549. The next prime is 555742161247591.

It is a happy number.

555742161247555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555742161247555 - 2¹¹ = 555742161245507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709558210 + ... + 710341000.

It is an arithmetic number, because the mean of its divisors is an integer number (41690376265104).

Almost surely, 2^{555742161247555} is an apocalyptic number.

555742161247555 is a deficient number, since it is larger than the sum of its proper divisors (111303858994109).

555742161247555 is a wasteful number, since it uses less digits than its factorization.

555742161247555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815706.

The product of its digits is 294000000, while the sum is 64.

The spelling of 555742161247555 in words is "five hundred fifty-five trillion, seven hundred forty-two billion, one hundred sixty-one million, two hundred forty-seven thousand, five hundred fifty-five".