1118057641 has 8 divisors (see below), whose sum is σ = 1177517120. Its totient is φ = 1058659632.

The previous prime is 1118057617. The next prime is 1118057651. The reversal of 1118057641 is 1467508111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1118057641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1118057597 and 1118057606.

It is not an unprimeable number, because it can be changed into a prime (1118057651) 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, 24676 + ... + 53338.

It is an arithmetic number, because the mean of its divisors is an integer number (147189640).

Almost surely, 2^1118057641 is an apocalyptic number.

It is an amenable number.

1118057641 is a deficient number, since it is larger than the sum of its proper divisors (59459479).

1118057641 is a wasteful number, since it uses less digits than its factorization.

1118057641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30735.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 1118057641 is about 33437.3689305842. The cubic root of 1118057641 is about 1037.8981344393.

The spelling of 1118057641 in words is "one billion, one hundred eighteen million, fifty-seven thousand, six hundred forty-one".