2111163604 has 48 divisors (see below), whose sum is σ = 4142698560. Its totient is φ = 933085440.

The previous prime is 2111163569. The next prime is 2111163611. The reversal of 2111163604 is 4063611112.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 438442 + ... + 443230.

It is an arithmetic number, because the mean of its divisors is an integer number (86306220).

Almost surely, 2^2111163604 is an apocalyptic number.

It is an amenable number.

2111163604 is a deficient number, since it is larger than the sum of its proper divisors (2031534956).

2111163604 is a wasteful number, since it uses less digits than its factorization.

2111163604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5078 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2111163604 is about 45947.4004052460. The cubic root of 2111163604 is about 1282.8443429134.

Adding to 2111163604 its reverse (4063611112), we get a palindrome (6174774716).

The spelling of 2111163604 in words is "two billion, one hundred eleven million, one hundred sixty-three thousand, six hundred four".