11660626055563 has 8 divisors (see below), whose sum is σ = 12358781670960. Its totient is φ = 10963830044160.

The previous prime is 11660626055527. The next prime is 11660626055579. The reversal of 11660626055563 is 36555062606611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11660626055563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11660626055563.

It is not an unprimeable number, because it can be changed into a prime (11660626055503) 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, 339883333 + ... + 339917638.

It is an arithmetic number, because the mean of its divisors is an integer number (1544847708870).

Almost surely, 2^{11660626055563} is an apocalyptic number.

11660626055563 is a deficient number, since it is larger than the sum of its proper divisors (698155615397).

11660626055563 is a wasteful number, since it uses less digits than its factorization.

11660626055563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679801997.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 11660626055563 in words is "eleven trillion, six hundred sixty billion, six hundred twenty-six million, fifty-five thousand, five hundred sixty-three".