11880365 has 32 divisors (see below), whose sum is σ = 17708544. Its totient is φ = 7464960.

The previous prime is 11880361. The next prime is 11880383. The reversal of 11880365 is 56308811.

It is not a de Polignac number, because 11880365 - 2² = 11880361 is a prime.

It is a super-2 number, since 2×11880365² = 282286145066450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24152 + ... + 24638.

It is an arithmetic number, because the mean of its divisors is an integer number (553392).

Almost surely, 2^11880365 is an apocalyptic number.

It is an amenable number.

11880365 is a deficient number, since it is larger than the sum of its proper divisors (5828179).

11880365 is a wasteful number, since it uses less digits than its factorization.

11880365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 11880365 is about 3446.7905361365. The cubic root of 11880365 is about 228.1794844528.

The spelling of 11880365 in words is "eleven million, eight hundred eighty thousand, three hundred sixty-five".