11220521707 has 8 divisors (see below), whose sum is σ = 11388180960. Its totient is φ = 11053129920.

The previous prime is 11220521699. The next prime is 11220521731. The reversal of 11220521707 is 70712502211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220521707 - 2³ = 11220521699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220521777) 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 7 ways as a sum of consecutive naturals, for example, 18469 + ... + 150937.

It is an arithmetic number, because the mean of its divisors is an integer number (1423522620).

Almost surely, 2^11220521707 is an apocalyptic number.

11220521707 is a deficient number, since it is larger than the sum of its proper divisors (167659253).

11220521707 is a wasteful number, since it uses less digits than its factorization.

11220521707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133733.

The product of its (nonzero) digits is 1960, while the sum is 28.

The spelling of 11220521707 in words is "eleven billion, two hundred twenty million, five hundred twenty-one thousand, seven hundred seven".