11139545 has 8 divisors (see below), whose sum is σ = 13556160. Its totient is φ = 8785840.

The previous prime is 11139533. The next prime is 11139563. The reversal of 11139545 is 54593111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11139545 - 2¹⁶ = 11074009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15335 + ... + 16044.

It is an arithmetic number, because the mean of its divisors is an integer number (1694520).

Almost surely, 2^11139545 is an apocalyptic number.

It is an amenable number.

11139545 is a deficient number, since it is larger than the sum of its proper divisors (2416615).

11139545 is an equidigital number, since it uses as much as digits as its factorization.

11139545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31455.

The product of its digits is 2700, while the sum is 29.

The square root of 11139545 is about 3337.5956915121. The cubic root of 11139545 is about 223.3345003776.

The spelling of 11139545 in words is "eleven million, one hundred thirty-nine thousand, five hundred forty-five".