11345120551205 has 8 divisors (see below), whose sum is σ = 15559022470272. Its totient is φ = 7779511235088.

The previous prime is 11345120551201. The next prime is 11345120551249. The reversal of 11345120551205 is 50215502154311.

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

It is a cyclic number.

It is not a de Polignac number, because 11345120551205 - 2² = 11345120551201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 324146301463 = 11345120551205 / (1 + 1 + 3 + 4 + 5 + 1 + 2 + 0 + 5 + 5 + 1 + 2 + 0 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345120551201) 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, 162073150697 + ... + 162073150766.

It is an arithmetic number, because the mean of its divisors is an integer number (1944877808784).

Almost surely, 2^{11345120551205} is an apocalyptic number.

It is an amenable number.

11345120551205 is a deficient number, since it is larger than the sum of its proper divisors (4213901919067).

11345120551205 is an equidigital number, since it uses as much as digits as its factorization.

11345120551205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324146301475.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 11345120551205 in words is "eleven trillion, three hundred forty-five billion, one hundred twenty million, five hundred fifty-one thousand, two hundred five".