1516610445225 has 48 divisors (see below), whose sum is σ = 2617464471552. Its totient is φ = 773400823360.

The previous prime is 1516610445191. The next prime is 1516610445247. The reversal of 1516610445225 is 5225440166151.

It is a happy number.

It is not a de Polignac number, because 1516610445225 - 2⁸ = 1516610444969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4471474 + ... + 4798676.

It is an arithmetic number, because the mean of its divisors is an integer number (54530509824).

Almost surely, 2^{1516610445225} is an apocalyptic number.

1516610445225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1516610445225 is a deficient number, since it is larger than the sum of its proper divisors (1100854026327).

1516610445225 is a wasteful number, since it uses less digits than its factorization.

1516610445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329926 (or 329921 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 1516610445225 in words is "one trillion, five hundred sixteen billion, six hundred ten million, four hundred forty-five thousand, two hundred twenty-five".