11520514644445 has 8 divisors (see below), whose sum is σ = 13838483795544. Its totient is φ = 9207167567424.

The previous prime is 11520514644413. The next prime is 11520514644461. The reversal of 11520514644445 is 54444641502511.

It can be written as a sum of positive squares in 4 ways, for example, as 1410588533124 + 10109926111321 = 1187682^2 + 3179611^2 .

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 11520514644445 - 2⁵ = 11520514644413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11520514644395 and 11520514644404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155513034 + ... + 1155523003.

It is an arithmetic number, because the mean of its divisors is an integer number (1729810474443).

Almost surely, 2^{11520514644445} is an apocalyptic number.

It is an amenable number.

11520514644445 is a deficient number, since it is larger than the sum of its proper divisors (2317969151099).

11520514644445 is an equidigital number, since it uses as much as digits as its factorization.

11520514644445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311037039.

The product of its (nonzero) digits is 1536000, while the sum is 46.

The spelling of 11520514644445 in words is "eleven trillion, five hundred twenty billion, five hundred fourteen million, six hundred forty-four thousand, four hundred forty-five".