1553545005205 has 32 divisors (see below), whose sum is σ = 1908769795200. Its totient is φ = 1213469617920.

The previous prime is 1553545005193. The next prime is 1553545005223. The reversal of 1553545005205 is 5025005453551.

It is a de Polignac number, because none of the positive numbers 2^k-1553545005205 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 75746562 + ... + 75767068.

It is an arithmetic number, because the mean of its divisors is an integer number (59649056100).

Almost surely, 2^{1553545005205} is an apocalyptic number.

It is an amenable number.

1553545005205 is a deficient number, since it is larger than the sum of its proper divisors (355224789995).

1553545005205 is a wasteful number, since it uses less digits than its factorization.

1553545005205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389.

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 1553545005205 in words is "one trillion, five hundred fifty-three billion, five hundred forty-five million, five thousand, two hundred five".