11597055 has 32 divisors (see below), whose sum is σ = 19293120. Its totient is φ = 5944320.

The previous prime is 11597051. The next prime is 11597093. The reversal of 11597055 is 55079511.

It is not a de Polignac number, because 11597055 - 2² = 11597051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11597051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66949 + ... + 67121.

It is an arithmetic number, because the mean of its divisors is an integer number (602910).

Almost surely, 2^11597055 is an apocalyptic number.

11597055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11597055 is a deficient number, since it is larger than the sum of its proper divisors (7696065).

11597055 is a wasteful number, since it uses less digits than its factorization.

11597055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 7875, while the sum is 33.

The square root of 11597055 is about 3405.4449048546. Note that the first 3 decimals coincide. The cubic root of 11597055 is about 226.3510806644.

The spelling of 11597055 in words is "eleven million, five hundred ninety-seven thousand, fifty-five".