15445012853 has 2 divisors, whose sum is σ = 15445012854. Its totient is φ = 15445012852.

The previous prime is 15445012841. The next prime is 15445012867. The reversal of 15445012853 is 35821054451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15318270289 + 126742564 = 123767^2 + 11258^2 .

It is a cyclic number.

It is not a de Polignac number, because 15445012853 - 2⁴ = 15445012837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15445012883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7722506426 + 7722506427.

It is an arithmetic number, because the mean of its divisors is an integer number (7722506427).

Almost surely, 2^15445012853 is an apocalyptic number.

It is an amenable number.

15445012853 is a deficient number, since it is larger than the sum of its proper divisors (1).

15445012853 is an equidigital number, since it uses as much as digits as its factorization.

15445012853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 15445012853 in words is "fifteen billion, four hundred forty-five million, twelve thousand, eight hundred fifty-three".