1465441421056 has 18 divisors (see below), whose sum is σ = 2925158462072. Its totient is φ = 732720710400.

The previous prime is 1465441421051. The next prime is 1465441421069. The reversal of 1465441421056 is 6501241445641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465441421051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862190020 + ... + 2862190531.

Almost surely, 2^{1465441421056} is an apocalyptic number.

1465441421056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1465441421056 is a deficient number, since it is larger than the sum of its proper divisors (1459717041016).

1465441421056 is an frugal number, since it uses more digits than its factorization.

1465441421056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724380567 (or 5724380553 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

Adding to 1465441421056 its reverse (6501241445641), we get a palindrome (7966682866697).

The spelling of 1465441421056 in words is "one trillion, four hundred sixty-five billion, four hundred forty-one million, four hundred twenty-one thousand, fifty-six".