11680955 has 48 divisors (see below), whose sum is σ = 18016992. Its totient is φ = 7142400.

The previous prime is 11680919. The next prime is 11680961. The reversal of 11680955 is 55908611.

It is not a de Polignac number, because 11680955 - 2¹⁶ = 11615419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376790 + ... + 376820.

It is an arithmetic number, because the mean of its divisors is an integer number (375354).

Almost surely, 2^11680955 is an apocalyptic number.

11680955 is a deficient number, since it is larger than the sum of its proper divisors (6336037).

11680955 is a wasteful number, since it uses less digits than its factorization.

11680955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11680955 is about 3417.7412131406. The cubic root of 11680955 is about 226.8956224124.

The spelling of 11680955 in words is "eleven million, six hundred eighty thousand, nine hundred fifty-five".