1115656601 has 8 divisors (see below), whose sum is σ = 1125389760. Its totient is φ = 1105957008.

The previous prime is 1115656589. The next prime is 1115656621. The reversal of 1115656601 is 1066565111.

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

It is a cyclic number.

It is not a de Polignac number, because 1115656601 - 2¹⁰ = 1115655577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115656621) 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, 60830 + ... + 77016.

It is an arithmetic number, because the mean of its divisors is an integer number (140673720).

Almost surely, 2^1115656601 is an apocalyptic number.

It is an amenable number.

1115656601 is a deficient number, since it is larger than the sum of its proper divisors (9733159).

1115656601 is a wasteful number, since it uses less digits than its factorization.

1115656601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1115656601 is about 33401.4460914494. The cubic root of 1115656601 is about 1037.1546364100.

The spelling of 1115656601 in words is "one billion, one hundred fifteen million, six hundred fifty-six thousand, six hundred one".