5551146221215 has 16 divisors (see below), whose sum is σ = 7615377520128. Its totient is φ = 3805311771936.

The previous prime is 5551146221161. The next prime is 5551146221219. The reversal of 5551146221215 is 5121226411555.

It is a cyclic number.

It is not a de Polignac number, because 5551146221215 - 2²¹ = 5551144124063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551146221219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24646587 + ... + 24870796.

It is an arithmetic number, because the mean of its divisors is an integer number (475961095008).

Almost surely, 2^{5551146221215} is an apocalyptic number.

5551146221215 is a deficient number, since it is larger than the sum of its proper divisors (2064231298913).

5551146221215 is a wasteful number, since it uses less digits than its factorization.

5551146221215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49520598.

The product of its digits is 120000, while the sum is 40.

The spelling of 5551146221215 in words is "five trillion, five hundred fifty-one billion, one hundred forty-six million, two hundred twenty-one thousand, two hundred fifteen".