1803768039125 has 16 divisors (see below), whose sum is σ = 2424264246768. Its totient is φ = 1332013320000.

The previous prime is 1803768039121. The next prime is 1803768039127. The reversal of 1803768039125 is 5219308673081.

It can be written as a sum of positive squares in 8 ways, for example, as 1290391490116 + 513376549009 = 1135954^2 + 716503^2 .

It is not a de Polignac number, because 1803768039125 - 2² = 1803768039121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803768039121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555003926 + ... + 555007175.

It is an arithmetic number, because the mean of its divisors is an integer number (151516515423).

Almost surely, 2^{1803768039125} is an apocalyptic number.

It is an amenable number.

1803768039125 is a deficient number, since it is larger than the sum of its proper divisors (620496207643).

1803768039125 is a wasteful number, since it uses less digits than its factorization.

1803768039125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110011129 (or 1110011119 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 1803768039125 in words is "one trillion, eight hundred three billion, seven hundred sixty-eight million, thirty-nine thousand, one hundred twenty-five".