11742705039856 has 20 divisors (see below), whose sum is σ = 26001704017072. Its totient is φ = 5032587874176.

The previous prime is 11742705039803. The next prime is 11742705039881. The reversal of 11742705039856 is 65893050724711.

It is a super-2 number, since 2×11742705039856² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11742705039856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52422790245 + ... + 52422790468.

It is a 1-persistent number, because it is pandigital, but 2⋅11742705039856 = 23485410079712 is not.

Almost surely, 2^{11742705039856} is an apocalyptic number.

11742705039856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11742705039856 is an abundant number, since it is smaller than the sum of its proper divisors (14258998977216).

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

11742705039856 is a wasteful number, since it uses less digits than its factorization.

11742705039856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104845580728 (or 104845580722 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

It can be divided in two parts, 1174270 and 5039856, that added together give a palindrome (6214126).

The spelling of 11742705039856 in words is "eleven trillion, seven hundred forty-two billion, seven hundred five million, thirty-nine thousand, eight hundred fifty-six".