11031681224 has 8 divisors (see below), whose sum is σ = 20684402310. Its totient is φ = 5515840608.

The previous prime is 11031681179. The next prime is 11031681247. The reversal of 11031681224 is 42218613011.

It can be written as a sum of positive squares in only one way, i.e., 6035736100 + 4995945124 = 77690^2 + 70682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689480069 + ... + 689480084.

Almost surely, 2^11031681224 is an apocalyptic number.

It is an amenable number.

11031681224 is a deficient number, since it is larger than the sum of its proper divisors (9652721086).

11031681224 is a wasteful number, since it uses less digits than its factorization.

11031681224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378960159 (or 1378960155 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 11031681224 in words is "eleven billion, thirty-one million, six hundred eighty-one thousand, two hundred twenty-four".