1675721357225 has 12 divisors (see below), whose sum is σ = 2078062560960. Its totient is φ = 1340468648400.

The previous prime is 1675721357209. The next prime is 1675721357249. The reversal of 1675721357225 is 5227531275761.

It is not a de Polignac number, because 1675721357225 - 2⁴ = 1675721357209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2394965 + ... + 3014514.

It is an arithmetic number, because the mean of its divisors is an integer number (173171880080).

Almost surely, 2^{1675721357225} is an apocalyptic number.

It is an amenable number.

1675721357225 is a deficient number, since it is larger than the sum of its proper divisors (402341203735).

1675721357225 is a wasteful number, since it uses less digits than its factorization.

1675721357225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421880 (or 5421875 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 53.

The spelling of 1675721357225 in words is "one trillion, six hundred seventy-five billion, seven hundred twenty-one million, three hundred fifty-seven thousand, two hundred twenty-five".