11220627523 has 4 divisors (see below), whose sum is σ = 12823574320. Its totient is φ = 9617680728.

The previous prime is 11220627503. The next prime is 11220627527. The reversal of 11220627523 is 32572602211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32572602211 = 43 ⋅757502377.

It is a cyclic number.

It is not a de Polignac number, because 11220627523 - 2¹³ = 11220619331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220627527) 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, 801473388 + ... + 801473401.

It is an arithmetic number, because the mean of its divisors is an integer number (3205893580).

Almost surely, 2^11220627523 is an apocalyptic number.

11220627523 is a deficient number, since it is larger than the sum of its proper divisors (1602946797).

11220627523 is an equidigital number, since it uses as much as digits as its factorization.

11220627523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602946796.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 11220627523 in words is "eleven billion, two hundred twenty million, six hundred twenty-seven thousand, five hundred twenty-three".