11520310636505 has 16 divisors (see below), whose sum is σ = 15250584873600. Its totient is φ = 8284268319360.

The previous prime is 11520310636489. The next prime is 11520310636553. The reversal of 11520310636505 is 50563601302511.

It is not a de Polignac number, because 11520310636505 - 2⁴ = 11520310636489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176737765 + ... + 1176747554.

It is an arithmetic number, because the mean of its divisors is an integer number (953161554600).

Almost surely, 2^{11520310636505} is an apocalyptic number.

It is an amenable number.

11520310636505 is a deficient number, since it is larger than the sum of its proper divisors (3730274237095).

11520310636505 is a wasteful number, since it uses less digits than its factorization.

11520310636505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353485424.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 11520310636505 in words is "eleven trillion, five hundred twenty billion, three hundred ten million, six hundred thirty-six thousand, five hundred five".