1025104503213 has 48 divisors (see below), whose sum is σ = 1698118531200. Its totient is φ = 583740812160.

The previous prime is 1025104503209. The next prime is 1025104503257. The reversal of 1025104503213 is 3123054015201.

1025104503213 is a `hidden beast` number, since 10 + 25 + 104 + 503 + 21 + 3 = 666.

It is not a de Polignac number, because 1025104503213 - 2² = 1025104503209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025104503013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24818943 + ... + 24860211.

It is an arithmetic number, because the mean of its divisors is an integer number (35377469400).

Almost surely, 2^{1025104503213} is an apocalyptic number.

It is an amenable number.

1025104503213 is a deficient number, since it is larger than the sum of its proper divisors (673014027987).

1025104503213 is a wasteful number, since it uses less digits than its factorization.

1025104503213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42642 (or 42639 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1025104503213 its reverse (3123054015201), we get a palindrome (4148158518414).

The spelling of 1025104503213 in words is "one trillion, twenty-five billion, one hundred four million, five hundred three thousand, two hundred thirteen".