1316245203225 has 72 divisors (see below), whose sum is σ = 2520936107352. Its totient is φ = 654161664000.

The previous prime is 1316245203211. The next prime is 1316245203233. The reversal of 1316245203225 is 5223025426131.

1316245203225 is a `hidden beast` number, since 1 + 3 + 1 + 624 + 5 + 2 + 0 + 3 + 2 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 507736089 + 1315737467136 = 22533^2 + 1147056^2 .

It is not a de Polignac number, because 1316245203225 - 2¹¹ = 1316245201177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316245203225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1317222 + ... + 2089871.

It is an arithmetic number, because the mean of its divisors is an integer number (35013001491).

Almost surely, 2^{1316245203225} is an apocalyptic number.

1316245203225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316245203225 is a deficient number, since it is larger than the sum of its proper divisors (1204690904127).

1316245203225 is a wasteful number, since it uses less digits than its factorization.

1316245203225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407227 (or 3407219 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1316245203225 in words is "one trillion, three hundred sixteen billion, two hundred forty-five million, two hundred three thousand, two hundred twenty-five".