5215005551566 has 4 divisors (see below), whose sum is σ = 7822508327352. Its totient is φ = 2607502775782.

The previous prime is 5215005551527. The next prime is 5215005551573. The reversal of 5215005551566 is 6651555005125.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303751387890 + ... + 1303751387893.

It is an arithmetic number, because the mean of its divisors is an integer number (1955627081838).

Almost surely, 2^{5215005551566} is an apocalyptic number.

5215005551566 is a deficient number, since it is larger than the sum of its proper divisors (2607502775786).

5215005551566 is a wasteful number, since it uses less digits than its factorization.

5215005551566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607502775785.

The product of its (nonzero) digits is 1125000, while the sum is 46.

The spelling of 5215005551566 in words is "five trillion, two hundred fifteen billion, five million, five hundred fifty-one thousand, five hundred sixty-six".