1029871915325 has 12 divisors (see below), whose sum is σ = 1393135827648. Its totient is φ = 748997756400.

The previous prime is 1029871915321. The next prime is 1029871915417. The reversal of 1029871915325 is 5235191789201.

It is not a de Polignac number, because 1029871915325 - 2² = 1029871915321 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 (1029871915321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1872494117 + ... + 1872494666.

It is an arithmetic number, because the mean of its divisors is an integer number (116094652304).

Almost surely, 2^{1029871915325} is an apocalyptic number.

It is an amenable number.

1029871915325 is a deficient number, since it is larger than the sum of its proper divisors (363263912323).

1029871915325 is a wasteful number, since it uses less digits than its factorization.

1029871915325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744988804 (or 3744988799 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 1029871915325 in words is "one trillion, twenty-nine billion, eight hundred seventy-one million, nine hundred fifteen thousand, three hundred twenty-five".