1025312505512 has 64 divisors (see below), whose sum is σ = 1993238807040. Its totient is φ = 493931289600.

The previous prime is 1025312505509. The next prime is 1025312505517. The reversal of 1025312505512 is 2155052135201.

It is not an unprimeable number, because it can be changed into a prime (1025312505517) 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 15 ways as a sum of consecutive naturals, for example, 91076588 + ... + 91087844.

It is an arithmetic number, because the mean of its divisors is an integer number (31144356360).

Almost surely, 2^{1025312505512} is an apocalyptic number.

It is an amenable number.

1025312505512 is a deficient number, since it is larger than the sum of its proper divisors (967926301528).

1025312505512 is a wasteful number, since it uses less digits than its factorization.

1025312505512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882 (or 12878 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 1025312505512 in words is "one trillion, twenty-five billion, three hundred twelve million, five hundred five thousand, five hundred twelve".