11601348562521 has 24 divisors (see below), whose sum is σ = 16917709956576. Its totient is φ = 7660516705920.

The previous prime is 11601348562501. The next prime is 11601348562537. The reversal of 11601348562521 is 12526584310611.

11601348562521 is a `hidden beast` number, since 1 + 1 + 6 + 0 + 1 + 34 + 8 + 562 + 52 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-11601348562521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11601348562501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8790640 + ... + 10023873.

It is an arithmetic number, because the mean of its divisors is an integer number (704904581524).

Almost surely, 2^{11601348562521} is an apocalyptic number.

It is an amenable number.

11601348562521 is a deficient number, since it is larger than the sum of its proper divisors (5316361394055).

11601348562521 is a wasteful number, since it uses less digits than its factorization.

11601348562521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18815173 (or 18815170 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 11601348562521 in words is "eleven trillion, six hundred one billion, three hundred forty-eight million, five hundred sixty-two thousand, five hundred twenty-one".