1113618672 has 40 divisors (see below), whose sum is σ = 3196499280. Its totient is φ = 371206080.

The previous prime is 1113618661. The next prime is 1113618683. The reversal of 1113618672 is 2768163111.

It is an interprime number because it is at equal distance from previous prime (1113618661) and next prime (1113618683).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288479 + ... + 1289342.

It is an arithmetic number, because the mean of its divisors is an integer number (79912482).

Almost surely, 2^1113618672 is an apocalyptic number.

1113618672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113618672 is an abundant number, since it is smaller than the sum of its proper divisors (2082880608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113618672 is a wasteful number, since it uses less digits than its factorization.

1113618672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577838 (or 2577826 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1113618672 is about 33370.9255490464. The cubic root of 1113618672 is about 1036.5227407201.

The spelling of 1113618672 in words is "one billion, one hundred thirteen million, six hundred eighteen thousand, six hundred seventy-two".