1105312004 has 24 divisors (see below), whose sum is σ = 2058991200. Its totient is φ = 517682880.

The previous prime is 1105311971. The next prime is 1105312007. The reversal of 1105312004 is 4002135011.

1105312004 = 3480² + 3481² + ... + 3568².

It is not an unprimeable number, because it can be changed into a prime (1105312007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74942 + ... + 88469.

It is an arithmetic number, because the mean of its divisors is an integer number (85791300).

Almost surely, 2^1105312004 is an apocalyptic number.

It is an amenable number.

1105312004 is a deficient number, since it is larger than the sum of its proper divisors (953679196).

1105312004 is a wasteful number, since it uses less digits than its factorization.

1105312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163523 (or 163521 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1105312004 is about 33246.2329294613. The cubic root of 1105312004 is about 1033.9391072641.

Adding to 1105312004 its reverse (4002135011), we get a palindrome (5107447015).

The spelling of 1105312004 in words is "one billion, one hundred five million, three hundred twelve thousand, four".