5155220225516 has 12 divisors (see below), whose sum is σ = 9021684037800. Its totient is φ = 2577596214720.

The previous prime is 5155220225509. The next prime is 5155220225539. The reversal of 5155220225516 is 6155220225515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616365 + ... + 4141956.

It is an arithmetic number, because the mean of its divisors is an integer number (751807003150).

Almost surely, 2^{5155220225516} is an apocalyptic number.

It is an amenable number.

5155220225516 is a deficient number, since it is larger than the sum of its proper divisors (3866463812284).

5155220225516 is a wasteful number, since it uses less digits than its factorization.

5155220225516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949024 (or 6949022 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

Subtracting 5155220225516 from its reverse (6155220225515), we obtain a palindrome (999999999999).

The spelling of 5155220225516 in words is "five trillion, one hundred fifty-five billion, two hundred twenty million, two hundred twenty-five thousand, five hundred sixteen".