5515666141 has 4 divisors (see below), whose sum is σ = 5518296000. Its totient is φ = 5513036284.

The previous prime is 5515666001. The next prime is 5515666151. The reversal of 5515666141 is 1416665155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1416665155 = 5 ⋅283333031.

It is a cyclic number.

It is not a de Polignac number, because 5515666141 - 2¹⁵ = 5515633373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5515666094 and 5515666103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515666151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311781 + ... + 1315978.

It is an arithmetic number, because the mean of its divisors is an integer number (1379574000).

Almost surely, 2^5515666141 is an apocalyptic number.

It is an amenable number.

5515666141 is a deficient number, since it is larger than the sum of its proper divisors (2629859).

5515666141 is a wasteful number, since it uses less digits than its factorization.

5515666141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629858.

The product of its digits is 108000, while the sum is 40.

The square root of 5515666141 is about 74267.5308664560. The cubic root of 5515666141 is about 1766.8485466281.

The spelling of 5515666141 in words is "five billion, five hundred fifteen million, six hundred sixty-six thousand, one hundred forty-one".