11660281955 has 16 divisors (see below), whose sum is σ = 15997255680. Its totient is φ = 7992616032.

The previous prime is 11660281949. The next prime is 11660281957. The reversal of 11660281955 is 55918206611.

It is a cyclic number.

It is not a de Polignac number, because 11660281955 - 2¹⁴ = 11660265571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11660281957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33902 + ... + 156428.

It is an arithmetic number, because the mean of its divisors is an integer number (999828480).

Almost surely, 2^11660281955 is an apocalyptic number.

11660281955 is a deficient number, since it is larger than the sum of its proper divisors (4336973725).

11660281955 is a wasteful number, since it uses less digits than its factorization.

11660281955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125258.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 11660281955 in words is "eleven billion, six hundred sixty million, two hundred eighty-one thousand, nine hundred fifty-five".