1024625538553 has 4 divisors (see below), whose sum is σ = 1024648668928. Its totient is φ = 1024602408180.

The previous prime is 1024625538539. The next prime is 1024625538569. The reversal of 1024625538553 is 3558355264201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1024625538553 - 2¹³ = 1024625530361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1024625538497 and 1024625538506.

It is not an unprimeable number, because it can be changed into a prime (1024625538533) 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 3 ways as a sum of consecutive naturals, for example, 11498613 + ... + 11587378.

It is an arithmetic number, because the mean of its divisors is an integer number (256162167232).

Almost surely, 2^{1024625538553} is an apocalyptic number.

It is an amenable number.

1024625538553 is a deficient number, since it is larger than the sum of its proper divisors (23130375).

1024625538553 is an equidigital number, since it uses as much as digits as its factorization.

1024625538553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23130374.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 1024625538553 in words is "one trillion, twenty-four billion, six hundred twenty-five million, five hundred thirty-eight thousand, five hundred fifty-three".