11728414431770 has 8 divisors (see below), whose sum is σ = 21111145977204. Its totient is φ = 4691365772704.

The previous prime is 11728414431761. The next prime is 11728414431791. The reversal of 11728414431770 is 7713441482711.

It can be written as a sum of positive squares in 2 ways, for example, as 10480182510721 + 1248231921049 = 3237311^2 + 1117243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586420721579 + ... + 586420721598.

Almost surely, 2^{11728414431770} is an apocalyptic number.

11728414431770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11728414431770 is a deficient number, since it is larger than the sum of its proper divisors (9382731545434).

11728414431770 is a wasteful number, since it uses less digits than its factorization.

11728414431770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172841443184.

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 11728414431770 in words is "eleven trillion, seven hundred twenty-eight billion, four hundred fourteen million, four hundred thirty-one thousand, seven hundred seventy".