1128861103825 has 24 divisors (see below), whose sum is σ = 1722815718848. Its totient is φ = 714531862080.

The previous prime is 1128861103823. The next prime is 1128861103861. The reversal of 1128861103825 is 5283011688211.

It is not a de Polignac number, because 1128861103825 - 2¹ = 1128861103823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128861103823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248099067 + ... + 248103616.

Almost surely, 2^{1128861103825} is an apocalyptic number.

It is an amenable number.

1128861103825 is a deficient number, since it is larger than the sum of its proper divisors (593954615023).

1128861103825 is a wasteful number, since it uses less digits than its factorization.

1128861103825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496202713 (or 496202708 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 1128861103825 in words is "one trillion, one hundred twenty-eight billion, eight hundred sixty-one million, one hundred three thousand, eight hundred twenty-five".