11615055 has 8 divisors (see below), whose sum is σ = 18584112. Its totient is φ = 6194688.

The previous prime is 11615041. The next prime is 11615059. The reversal of 11615055 is 55051611.

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

It is not a de Polignac number, because 11615055 - 2⁶ = 11614991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11615059) 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, 387154 + ... + 387183.

It is an arithmetic number, because the mean of its divisors is an integer number (2323014).

Almost surely, 2^11615055 is an apocalyptic number.

11615055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11615055 is a deficient number, since it is larger than the sum of its proper divisors (6969057).

11615055 is an equidigital number, since it uses as much as digits as its factorization.

11615055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774345.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 11615055 is about 3408.0867066435. The cubic root of 11615055 is about 226.4681280047.

Adding to 11615055 its reverse (55051611), we get a palindrome (66666666).

It can be divided in two parts, 1161 and 5055, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 11615055 in words is "eleven million, six hundred fifteen thousand, fifty-five".