11603270661 has 8 divisors (see below), whose sum is σ = 16381088064. Its totient is φ = 7280483520.

The previous prime is 11603270617. The next prime is 11603270663. The reversal of 11603270661 is 16607230611.

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

It is not a de Polignac number, because 11603270661 - 2¹¹ = 11603268613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11603270663) 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, 113757505 + ... + 113757606.

It is an arithmetic number, because the mean of its divisors is an integer number (2047636008).

Almost surely, 2^11603270661 is an apocalyptic number.

It is an amenable number.

11603270661 is a deficient number, since it is larger than the sum of its proper divisors (4777817403).

11603270661 is a wasteful number, since it uses less digits than its factorization.

11603270661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227515131.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 11603270661 in words is "eleven billion, six hundred three million, two hundred seventy thousand, six hundred sixty-one".