1126281658416 has 80 divisors (see below), whose sum is σ = 2946867638400. Its totient is φ = 370643641344.

The previous prime is 1126281658409. The next prime is 1126281658417. The reversal of 1126281658416 is 6148561826211.

It is not an unprimeable number, because it can be changed into a prime (1126281658417) 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, 722760 + ... + 1665816.

It is an arithmetic number, because the mean of its divisors is an integer number (36835845480).

Almost surely, 2^{1126281658416} is an apocalyptic number.

1126281658416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1126281658416 is an abundant number, since it is smaller than the sum of its proper divisors (1820585979984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126281658416 is a wasteful number, since it uses less digits than its factorization.

1126281658416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943386 (or 943380 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The spelling of 1126281658416 in words is "one trillion, one hundred twenty-six billion, two hundred eighty-one million, six hundred fifty-eight thousand, four hundred sixteen".