11380851 has 16 divisors (see below), whose sum is σ = 16998400. Its totient is φ = 7525224.

The previous prime is 11380843. The next prime is 11380861. The reversal of 11380851 is 15808311.

It is not a de Polignac number, because 11380851 - 2³ = 11380843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11380801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (1062400).

Almost surely, 2^11380851 is an apocalyptic number.

11380851 is a deficient number, since it is larger than the sum of its proper divisors (5617549).

11380851 is a wasteful number, since it uses less digits than its factorization.

11380851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 11380851 is about 3373.5516892438. The cubic root of 11380851 is about 224.9356260284.

The spelling of 11380851 in words is "eleven million, three hundred eighty thousand, eight hundred fifty-one".