1045653320544 has 96 divisors (see below), whose sum is σ = 3150085800960. Its totient is φ = 297508012032.

The previous prime is 1045653320381. The next prime is 1045653320597. The reversal of 1045653320544 is 4450233565401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1045653320496 and 1045653320505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3094689 + ... + 3415904.

It is an arithmetic number, because the mean of its divisors is an integer number (32813393760).

Almost surely, 2^{1045653320544} is an apocalyptic number.

1045653320544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1045653320544 is an abundant number, since it is smaller than the sum of its proper divisors (2104432480416).

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

1045653320544 is a wasteful number, since it uses less digits than its factorization.

1045653320544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510852 (or 6510844 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 1045653320544 its reverse (4450233565401), we get a palindrome (5495886885945).

The spelling of 1045653320544 in words is "one trillion, forty-five billion, six hundred fifty-three million, three hundred twenty thousand, five hundred forty-four".