2251602767225 has 24 divisors (see below), whose sum is σ = 3191239640448. Its totient is φ = 1543764153600.

The previous prime is 2251602767159. The next prime is 2251602767231. The reversal of 2251602767225 is 5227672061522.

It is a de Polignac number, because none of the positive numbers 2^k-2251602767225 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 2251602767225.

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, 618092 + ... + 2210258.

It is an arithmetic number, because the mean of its divisors is an integer number (132968318352).

Almost surely, 2^{2251602767225} is an apocalyptic number.

2251602767225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251602767225 is a deficient number, since it is larger than the sum of its proper divisors (939636873223).

2251602767225 is a wasteful number, since it uses less digits than its factorization.

2251602767225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600265 (or 1600260 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 2251602767225 in words is "two trillion, two hundred fifty-one billion, six hundred two million, seven hundred sixty-seven thousand, two hundred twenty-five".