1117216656126 has 24 divisors (see below), whose sum is σ = 2431490967360. Its totient is φ = 370735570656.

The previous prime is 1117216656079. The next prime is 1117216656173. The reversal of 1117216656126 is 6216566127111.

1117216656126 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 2 + 1 + 66 + 561 + 26 = 666.

It is an interprime number because it is at equal distance from previous prime (1117216656079) and next prime (1117216656173).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139160991 + ... + 139169018.

It is an arithmetic number, because the mean of its divisors is an integer number (101312123640).

Almost surely, 2^{1117216656126} is an apocalyptic number.

1117216656126 is an abundant number, since it is smaller than the sum of its proper divisors (1314274311234).

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

1117216656126 is a wasteful number, since it uses less digits than its factorization.

1117216656126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278330240 (or 278330237 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 1117216656126 in words is "one trillion, one hundred seventeen billion, two hundred sixteen million, six hundred fifty-six thousand, one hundred twenty-six".