11405061 has 12 divisors (see below), whose sum is σ = 16512288. Its totient is φ = 7585704.

The previous prime is 11405059. The next prime is 11405063. The reversal of 11405061 is 16050411.

It is an interprime number because it is at equal distance from previous prime (11405059) and next prime (11405063).

It is not a de Polignac number, because 11405061 - 2¹ = 11405059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3496 + ... + 5918.

It is an arithmetic number, because the mean of its divisors is an integer number (1376024).

Almost surely, 2^11405061 is an apocalyptic number.

It is an amenable number.

11405061 is a deficient number, since it is larger than the sum of its proper divisors (5107227).

11405061 is a wasteful number, since it uses less digits than its factorization.

11405061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11405061 is about 3377.1379894816. The cubic root of 11405061 is about 225.0950117252.

Adding to 11405061 its reverse (16050411), we get a palindrome (27455472).

The spelling of 11405061 in words is "eleven million, four hundred five thousand, sixty-one".