11171706440 has 32 divisors (see below), whose sum is σ = 25139350080. Its totient is φ = 4468147392.

The previous prime is 11171706433. The next prime is 11171706473. The reversal of 11171706440 is 4460717111.

It is a junction number, because it is equal to n+sod(n) for n = 11171706397 and 11171706406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633989 + ... + 651371.

It is an arithmetic number, because the mean of its divisors is an integer number (785604690).

Almost surely, 2^11171706440 is an apocalyptic number.

11171706440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11171706440 is an abundant number, since it is smaller than the sum of its proper divisors (13967643640).

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

11171706440 is a wasteful number, since it uses less digits than its factorization.

11171706440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33461 (or 33457 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 11171706440 in words is "eleven billion, one hundred seventy-one million, seven hundred six thousand, four hundred forty".