7117117105542 has 256 divisors, whose sum is σ = 16185887078400. Its totient is φ = 2075034931200.

The previous prime is 7117117105531. The next prime is 7117117105559. The reversal of 7117117105542 is 2455017117117.

It is a super-2 number, since 2×7117117105542² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7117117105494 and 7117117105503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10152805792 + ... + 10152806492.

It is an arithmetic number, because the mean of its divisors is an integer number (63226121400).

Almost surely, 2^{7117117105542} is an apocalyptic number.

7117117105542 is an abundant number, since it is smaller than the sum of its proper divisors (9068769972858).

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

7117117105542 is a wasteful number, since it uses less digits than its factorization.

7117117105542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 68600, while the sum is 42.

The spelling of 7117117105542 in words is "seven trillion, one hundred seventeen billion, one hundred seventeen million, one hundred five thousand, five hundred forty-two".