1201786802625 has 32 divisors (see below), whose sum is σ = 2010134880000. Its totient is φ = 637631923200.

The previous prime is 1201786802581. The next prime is 1201786802633. The reversal of 1201786802625 is 5262086871021.

It is not a de Polignac number, because 1201786802625 - 2¹⁰ = 1201786801601 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8230125 + ... + 8374874.

It is an arithmetic number, because the mean of its divisors is an integer number (62816715000).

Almost surely, 2^{1201786802625} is an apocalyptic number.

1201786802625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201786802625 is a deficient number, since it is larger than the sum of its proper divisors (808348077375).

1201786802625 is a wasteful number, since it uses less digits than its factorization.

1201786802625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16605210 (or 16605200 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1201786802625 in words is "one trillion, two hundred one billion, seven hundred eighty-six million, eight hundred two thousand, six hundred twenty-five".