11651134 has 16 divisors (see below), whose sum is σ = 19532016. Its totient is φ = 5166400.

The previous prime is 11651131. The next prime is 11651141. The reversal of 11651134 is 43115611.

11651134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11651131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5557 + ... + 7360.

It is an arithmetic number, because the mean of its divisors is an integer number (1220751).

Almost surely, 2^11651134 is an apocalyptic number.

11651134 is a deficient number, since it is larger than the sum of its proper divisors (7880882).

11651134 is a wasteful number, since it uses less digits than its factorization.

11651134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971.

The product of its digits is 360, while the sum is 22.

The square root of 11651134 is about 3413.3757484344. The cubic root of 11651134 is about 226.7023727872.

Adding to 11651134 its reverse (43115611), we get a palindrome (54766745).

The spelling of 11651134 in words is "eleven million, six hundred fifty-one thousand, one hundred thirty-four".