11652226520561 has 4 divisors (see below), whose sum is σ = 12711519840624. Its totient is φ = 10592933200500.

The previous prime is 11652226520537. The next prime is 11652226520569. The reversal of 11652226520561 is 16502562225611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11652226520561 - 2⁴² = 7254180009457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11652226520569) 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, 529646660015 + ... + 529646660036.

It is an arithmetic number, because the mean of its divisors is an integer number (3177879960156).

Almost surely, 2^{11652226520561} is an apocalyptic number.

11652226520561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11652226520561 is a deficient number, since it is larger than the sum of its proper divisors (1059293320063).

11652226520561 is a wasteful number, since it uses less digits than its factorization.

11652226520561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059293320062.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 11652226520561 in words is "eleven trillion, six hundred fifty-two billion, two hundred twenty-six million, five hundred twenty thousand, five hundred sixty-one".