11520643610015 has 16 divisors (see below), whose sum is σ = 14561174500320. Its totient is φ = 8726165614080.

The previous prime is 11520643609997. The next prime is 11520643610033. The reversal of 11520643610015 is 51001634602511.

It is an interprime number because it is at equal distance from previous prime (11520643609997) and next prime (11520643610033).

It is not a de Polignac number, because 11520643610015 - 2¹⁶ = 11520643544479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36435806 + ... + 36750635.

It is an arithmetic number, because the mean of its divisors is an integer number (910073406270).

Almost surely, 2^{11520643610015} is an apocalyptic number.

11520643610015 is a deficient number, since it is larger than the sum of its proper divisors (3040530890305).

11520643610015 is a wasteful number, since it uses less digits than its factorization.

11520643610015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73188122.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 11520643610015 in words is "eleven trillion, five hundred twenty billion, six hundred forty-three million, six hundred ten thousand, fifteen".