11612055 has 64 divisors (see below), whose sum is σ = 23482368. Its totient is φ = 4769280.

The previous prime is 11612047. The next prime is 11612057. The reversal of 11612055 is 55021611.

11612055 = T₄₅₉ + T₄₆₀ + ... + T₅₄₉.

It is not a de Polignac number, because 11612055 - 2³ = 11612047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64065 + ... + 64245.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^11612055 is an apocalyptic number.

11612055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11612055 is an abundant number, since it is smaller than the sum of its proper divisors (11870313).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11612055 is a wasteful number, since it uses less digits than its factorization.

11612055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 11612055 is about 3407.6465485728. The cubic root of 11612055 is about 226.4486285164.

Adding to 11612055 its reverse (55021611), we get a palindrome (66633666).

The spelling of 11612055 in words is "eleven million, six hundred twelve thousand, fifty-five".