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11071051 = 12139127
BaseRepresentation
bin101010001110…
…111001001011
3202211110121221
4222032321023
510313233201
61033142511
7163050055
oct52167113
922743557
1011071051
116281932
12385aa37
1323a8224
1416828d5
15e8a4a1
hexa8ee4b

11071051 has 4 divisors (see below), whose sum is σ = 11081392. Its totient is φ = 11060712.

The previous prime is 11071043. The next prime is 11071057. The reversal of 11071051 is 15017011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15017011 = 19790369.

It is a cyclic number.

It is not a de Polignac number, because 11071051 - 23 = 11071043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11071057) 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 3 ways as a sum of consecutive naturals, for example, 3351 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (2770348).

Almost surely, 211071051 is an apocalyptic number.

11071051 is a deficient number, since it is larger than the sum of its proper divisors (10341).

11071051 is an equidigital number, since it uses as much as digits as its factorization.

11071051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10340.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 11071051 is about 3327.3188906385. The cubic root of 11071051 is about 222.8758181690.

Adding to 11071051 its reverse (15017011), we get a palindrome (26088062).

The spelling of 11071051 in words is "eleven million, seventy-one thousand, fifty-one".

Divisors: 1 1213 9127 11071051