11651801433385 has 4 divisors (see below), whose sum is σ = 13982161720068. Its totient is φ = 9321441146704.

The previous prime is 11651801433313. The next prime is 11651801433407. The reversal of 11651801433385 is 58333410815611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7875701351424 + 3776100081961 = 2806368^2 + 1943219^2 .

It is a cyclic number.

It is not a de Polignac number, because 11651801433385 - 2¹⁹ = 11651800909097 is a prime.

It is a Duffinian number.

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, 1165180143334 + ... + 1165180143343.

It is an arithmetic number, because the mean of its divisors is an integer number (3495540430017).

Almost surely, 2^{11651801433385} is an apocalyptic number.

It is an amenable number.

11651801433385 is a deficient number, since it is larger than the sum of its proper divisors (2330360286683).

11651801433385 is an equidigital number, since it uses as much as digits as its factorization.

11651801433385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330360286682.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 11651801433385 in words is "eleven trillion, six hundred fifty-one billion, eight hundred one million, four hundred thirty-three thousand, three hundred eighty-five".