1128861103826 has 24 divisors (see below), whose sum is σ = 1746883332480. Its totient is φ = 547057856232.

The previous prime is 1128861103823. The next prime is 1128861103861. The reversal of 1128861103826 is 6283011688211.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 11 ways as a sum of consecutive naturals, for example, 785306 + ... + 1695413.

It is an arithmetic number, because the mean of its divisors is an integer number (72786805520).

Almost surely, 2^{1128861103826} is an apocalyptic number.

1128861103826 is a deficient number, since it is larger than the sum of its proper divisors (618022228654).

1128861103826 is a wasteful number, since it uses less digits than its factorization.

1128861103826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480918 (or 2480871 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 1128861103826 in words is "one trillion, one hundred twenty-eight billion, eight hundred sixty-one million, one hundred three thousand, eight hundred twenty-six".