5155066115561 has 8 divisors (see below), whose sum is σ = 5167470984480. Its totient is φ = 5142661731328.

The previous prime is 5155066115513. The next prime is 5155066115567. The reversal of 5155066115561 is 1655116605515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5155066115561 - 2¹⁰ = 5155066114537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155066115567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30379625 + ... + 30548841.

It is an arithmetic number, because the mean of its divisors is an integer number (645933873060).

Almost surely, 2^{5155066115561} is an apocalyptic number.

It is an amenable number.

5155066115561 is a deficient number, since it is larger than the sum of its proper divisors (12404868919).

5155066115561 is a wasteful number, since it uses less digits than its factorization.

5155066115561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242343.

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 5155066115561 in words is "five trillion, one hundred fifty-five billion, sixty-six million, one hundred fifteen thousand, five hundred sixty-one".