1113003645 has 16 divisors (see below), whose sum is σ = 1917791232. Its totient is φ = 547940160.

The previous prime is 1113003643. The next prime is 1113003659. The reversal of 1113003645 is 5463003111.

It is not a de Polignac number, because 1113003645 - 2¹ = 1113003643 is a prime.

It is a super-2 number, since 2×1113003645² = 2477554227566572050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113003643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2853661 + ... + 2854050.

It is an arithmetic number, because the mean of its divisors is an integer number (119861952).

Almost surely, 2^1113003645 is an apocalyptic number.

1113003645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113003645 is a deficient number, since it is larger than the sum of its proper divisors (804787587).

1113003645 is a wasteful number, since it uses less digits than its factorization.

1113003645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707732.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1113003645 is about 33361.7092637652. The cubic root of 1113003645 is about 1036.3318893749.

Adding to 1113003645 its reverse (5463003111), we get a palindrome (6576006756).

The spelling of 1113003645 in words is "one billion, one hundred thirteen million, three thousand, six hundred forty-five".