25552544305445 has 8 divisors (see below), whose sum is σ = 31315458553344. Its totient is φ = 20007098519824.

The previous prime is 25552544305403. The next prime is 25552544305447. The reversal of 25552544305445 is 54450344525552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25552544305445 - 2¹⁰ = 25552544304421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552544305447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54367115309 + ... + 54367115778.

It is an arithmetic number, because the mean of its divisors is an integer number (3914432319168).

Almost surely, 2^{25552544305445} is an apocalyptic number.

It is an amenable number.

25552544305445 is a deficient number, since it is larger than the sum of its proper divisors (5762914247899).

25552544305445 is a wasteful number, since it uses less digits than its factorization.

25552544305445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108734231139.

The product of its (nonzero) digits is 48000000, while the sum is 53.

The spelling of 25552544305445 in words is "twenty-five trillion, five hundred fifty-two billion, five hundred forty-four million, three hundred five thousand, four hundred forty-five".