1097644193025 has 24 divisors (see below), whose sum is σ = 1830831673440. Its totient is φ = 580229610240.

The previous prime is 1097644193021. The next prime is 1097644193119. The reversal of 1097644193025 is 5203914467901.

It is a happy number.

It is not a de Polignac number, because 1097644193025 - 2² = 1097644193021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097644193021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64749295 + ... + 64766244.

It is an arithmetic number, because the mean of its divisors is an integer number (76284653060).

Almost surely, 2^{1097644193025} is an apocalyptic number.

1097644193025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097644193025 is a deficient number, since it is larger than the sum of its proper divisors (733187480415).

1097644193025 is a wasteful number, since it uses less digits than its factorization.

1097644193025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129515665 (or 129515660 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 1097644193025 in words is "one trillion, ninety-seven billion, six hundred forty-four million, one hundred ninety-three thousand, twenty-five".