1065394197504 has 2640 divisors, whose sum is σ = 4565937454848. Its totient is φ = 239643131904.

The previous prime is 1065394197499. The next prime is 1065394197577. The reversal of 1065394197504 is 4057914935601.

1065394197504 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 3 + 9 + 41 + 97 + 504 = 666.

It is a super-2 number, since 2×1065394197504² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 46321486837 + ... + 46321486859.

Almost surely, 2^{1065394197504} is an apocalyptic number.

1065394197504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065394197504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2282968727424).

1065394197504 is an abundant number, since it is smaller than the sum of its proper divisors (3500543257344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065394197504 is a wasteful number, since it uses less digits than its factorization.

1065394197504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 1065394197504 in words is "one trillion, sixty-five billion, three hundred ninety-four million, one hundred ninety-seven thousand, five hundred four".