2651536216025 has 24 divisors (see below), whose sum is σ = 3371724430200. Its totient is φ = 2067263283200.

The previous prime is 2651536216009. The next prime is 2651536216031. The reversal of 2651536216025 is 5206126351562.

It can be written as a sum of positive squares in 12 ways, for example, as 2631049446601 + 20486769424 = 1622051^2 + 143132^2 .

It is not a de Polignac number, because 2651536216025 - 2⁴ = 2651536216009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440060 + ... + 2344509.

It is an arithmetic number, because the mean of its divisors is an integer number (140488517925).

Almost surely, 2^{2651536216025} is an apocalyptic number.

2651536216025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2651536216025 is a deficient number, since it is larger than the sum of its proper divisors (720188214175).

2651536216025 is a wasteful number, since it uses less digits than its factorization.

2651536216025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785549 (or 2785544 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 2651536216025 in words is "two trillion, six hundred fifty-one billion, five hundred thirty-six million, two hundred sixteen thousand, twenty-five".