11782121414 has 8 divisors (see below), whose sum is σ = 20197922448. Its totient is φ = 5049480600.

The previous prime is 11782121399. The next prime is 11782121437. The reversal of 11782121414 is 41412128711.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420790037 + ... + 420790064.

It is an arithmetic number, because the mean of its divisors is an integer number (2524740306).

Almost surely, 2^11782121414 is an apocalyptic number.

11782121414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11782121414 is a deficient number, since it is larger than the sum of its proper divisors (8415801034).

11782121414 is an equidigital number, since it uses as much as digits as its factorization.

11782121414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841580110.

The product of its digits is 3584, while the sum is 32.

It can be divided in two parts, 117821214 and 14, that multiplied together give a square (1649496996 = 40614²).

The spelling of 11782121414 in words is "eleven billion, seven hundred eighty-two million, one hundred twenty-one thousand, four hundred fourteen".