1045451202553 has 16 divisors (see below), whose sum is σ = 1106074964736. Its totient is φ = 986164945920.

The previous prime is 1045451202539. The next prime is 1045451202577. The reversal of 1045451202553 is 3552021545401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045451202553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045451202053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206901 + ... + 1460722.

It is an arithmetic number, because the mean of its divisors is an integer number (69129685296).

Almost surely, 2^{1045451202553} is an apocalyptic number.

It is an amenable number.

1045451202553 is a deficient number, since it is larger than the sum of its proper divisors (60623762183).

1045451202553 is a wasteful number, since it uses less digits than its factorization.

1045451202553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668024.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 1045451202553 its reverse (3552021545401), we get a palindrome (4597472747954).

The spelling of 1045451202553 in words is "one trillion, forty-five billion, four hundred fifty-one million, two hundred two thousand, five hundred fifty-three".