11019316225 has 12 divisors (see below), whose sum is σ = 13713289084. Its totient is φ = 8783622720.

The previous prime is 11019316193. The next prime is 11019316277. The reversal of 11019316225 is 52261391011.

It can be written as a sum of positive squares in 6 ways, for example, as 1045099584 + 9974216641 = 32328^2 + 99871^2 .

It is not a de Polignac number, because 11019316225 - 2⁵ = 11019316193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788694 + ... + 802543.

Almost surely, 2^11019316225 is an apocalyptic number.

It is an amenable number.

11019316225 is a deficient number, since it is larger than the sum of its proper divisors (2693972859).

11019316225 is a wasteful number, since it uses less digits than its factorization.

11019316225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591524 (or 1591519 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 11019316225 in words is "eleven billion, nineteen million, three hundred sixteen thousand, two hundred twenty-five".