16277551116025 has 12 divisors (see below), whose sum is σ = 21371467112892. Its totient is φ = 12256038487040.

The previous prime is 16277551116019. The next prime is 16277551116037. The reversal of 16277551116025 is 52061115577261.

It can be written as a sum of positive squares in 6 ways, for example, as 806639293161 + 15470911822864 = 898131^2 + 3933308^2 .

It is not a de Polignac number, because 16277551116025 - 2⁹ = 16277551115513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16277551116025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19150059712 + ... + 19150060561.

It is an arithmetic number, because the mean of its divisors is an integer number (1780955592741).

Almost surely, 2^{16277551116025} is an apocalyptic number.

It is an amenable number.

16277551116025 is a deficient number, since it is larger than the sum of its proper divisors (5093915996867).

16277551116025 is a wasteful number, since it uses less digits than its factorization.

16277551116025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38300120300 (or 38300120295 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 49.

The spelling of 16277551116025 in words is "sixteen trillion, two hundred seventy-seven billion, five hundred fifty-one million, one hundred sixteen thousand, twenty-five".