11177371781340 has 72 divisors (see below), whose sum is σ = 31609578448560. Its totient is φ = 2951121100800.

The previous prime is 11177371781311. The next prime is 11177371781341. The reversal of 11177371781340 is 4318717377111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11177371781341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8518885 + ... + 9743004.

Almost surely, 2^{11177371781340} is an apocalyptic number.

11177371781340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11177371781340 is an abundant number, since it is smaller than the sum of its proper divisors (20432206667220).

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

11177371781340 is a wasteful number, since it uses less digits than its factorization.

11177371781340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18262103 (or 18262000 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 51.

The spelling of 11177371781340 in words is "eleven trillion, one hundred seventy-seven billion, three hundred seventy-one million, seven hundred eighty-one thousand, three hundred forty".