11521702932479 has 4 divisors (see below), whose sum is σ = 11522240873640. Its totient is φ = 11521164991320.

The previous prime is 11521702932473. The next prime is 11521702932527. The reversal of 11521702932479 is 97423920712511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11521702932479 - 2⁴ = 11521702932463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11521702932479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11521702932473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268938452 + ... + 268981289.

It is an arithmetic number, because the mean of its divisors is an integer number (2880560218410).

Almost surely, 2^{11521702932479} is an apocalyptic number.

11521702932479 is a deficient number, since it is larger than the sum of its proper divisors (537941161).

11521702932479 is an equidigital number, since it uses as much as digits as its factorization.

11521702932479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537941160.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 11521702932479 in words is "eleven trillion, five hundred twenty-one billion, seven hundred two million, nine hundred thirty-two thousand, four hundred seventy-nine".