11621385738735 has 8 divisors (see below), whose sum is σ = 18594217182000. Its totient is φ = 6198072393984.

The previous prime is 11621385738731. The next prime is 11621385738811. The reversal of 11621385738735 is 53783758312611.

11621385738735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11621385738735 - 2² = 11621385738731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621385738731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387379524610 + ... + 387379524639.

It is an arithmetic number, because the mean of its divisors is an integer number (2324277147750).

Almost surely, 2^{11621385738735} is an apocalyptic number.

11621385738735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11621385738735 is a deficient number, since it is larger than the sum of its proper divisors (6972831443265).

11621385738735 is an equidigital number, since it uses as much as digits as its factorization.

11621385738735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774759049257.

The product of its digits is 25401600, while the sum is 60.

The spelling of 11621385738735 in words is "eleven trillion, six hundred twenty-one billion, three hundred eighty-five million, seven hundred thirty-eight thousand, seven hundred thirty-five".