11551345345 has 8 divisors (see below), whose sum is σ = 13862369664. Its totient is φ = 9240572784.

The previous prime is 11551345343. The next prime is 11551345349. The reversal of 11551345345 is 54354315511.

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 11551345345 - 2¹ = 11551345343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551345343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59752 + ... + 163318.

It is an arithmetic number, because the mean of its divisors is an integer number (1732796208).

Almost surely, 2^11551345345 is an apocalyptic number.

It is an amenable number.

11551345345 is a deficient number, since it is larger than the sum of its proper divisors (2311024319).

11551345345 is a wasteful number, since it uses less digits than its factorization.

11551345345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125879.

The product of its digits is 90000, while the sum is 37.

The spelling of 11551345345 in words is "eleven billion, five hundred fifty-one million, three hundred forty-five thousand, three hundred forty-five".