1025155204143 has 16 divisors (see below), whose sum is σ = 1598470131456. Its totient is φ = 572179648320.

The previous prime is 1025155204063. The next prime is 1025155204189. The reversal of 1025155204143 is 3414025515201.

It is not a de Polignac number, because 1025155204143 - 2⁸ = 1025155203887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025155254143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567637638 + ... + 567639443.

It is an arithmetic number, because the mean of its divisors is an integer number (99904383216).

Almost surely, 2^{1025155204143} is an apocalyptic number.

1025155204143 is a deficient number, since it is larger than the sum of its proper divisors (573314927313).

1025155204143 is a wasteful number, since it uses less digits than its factorization.

1025155204143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135277134.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 1025155204143 in words is "one trillion, twenty-five billion, one hundred fifty-five million, two hundred four thousand, one hundred forty-three".