453421125215525 has 48 divisors (see below), whose sum is σ = 592131018564288. Its totient is φ = 343970436672000.

The previous prime is 453421125215521. The next prime is 453421125215563. The reversal of 453421125215525 is 525512521124354.

It is not a de Polignac number, because 453421125215525 - 2² = 453421125215521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 453421125215525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453421125215521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30668774 + ... + 42981576.

It is an arithmetic number, because the mean of its divisors is an integer number (12336062886756).

Almost surely, 2^{453421125215525} is an apocalyptic number.

It is an amenable number.

453421125215525 is a deficient number, since it is larger than the sum of its proper divisors (138709893348763).

453421125215525 is a wasteful number, since it uses less digits than its factorization.

453421125215525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313862 (or 12313857 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 47.

Adding to 453421125215525 its reverse (525512521124354), we get a palindrome (978933646339879).

The spelling of 453421125215525 in words is "four hundred fifty-three trillion, four hundred twenty-one billion, one hundred twenty-five million, two hundred fifteen thousand, five hundred twenty-five".