11572995223 has 4 divisors (see below), whose sum is σ = 11574289120. Its totient is φ = 11571701328.

The previous prime is 11572995197. The next prime is 11572995233. The reversal of 11572995223 is 32259927511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32259927511 = 7 ⋅4608561073.

It is a cyclic number.

It is not a de Polignac number, because 11572995223 - 2⁹ = 11572994711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572995233) 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 3 ways as a sum of consecutive naturals, for example, 633438 + ... + 651451.

It is an arithmetic number, because the mean of its divisors is an integer number (2893572280).

Almost surely, 2^11572995223 is an apocalyptic number.

11572995223 is a deficient number, since it is larger than the sum of its proper divisors (1293897).

11572995223 is an equidigital number, since it uses as much as digits as its factorization.

11572995223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293896.

The product of its digits is 340200, while the sum is 46.

The spelling of 11572995223 in words is "eleven billion, five hundred seventy-two million, nine hundred ninety-five thousand, two hundred twenty-three".