11278355 has 16 divisors (see below), whose sum is σ = 15081984. Its totient is φ = 8026080.

The previous prime is 11278331. The next prime is 11278357. The reversal of 11278355 is 55387211.

It is not a de Polignac number, because 11278355 - 2¹² = 11274259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11278357) 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, 404 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (942624).

Almost surely, 2^11278355 is an apocalyptic number.

11278355 is a deficient number, since it is larger than the sum of its proper divisors (3803629).

11278355 is a wasteful number, since it uses less digits than its factorization.

11278355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426.

The product of its digits is 8400, while the sum is 32.

The square root of 11278355 is about 3358.3262200090. The cubic root of 11278355 is about 224.2583315842.

The spelling of 11278355 in words is "eleven million, two hundred seventy-eight thousand, three hundred fifty-five".