11995455 has 16 divisors (see below), whose sum is σ = 20322144. Its totient is φ = 6021120.

The previous prime is 11995453. The next prime is 11995457. The reversal of 11995455 is 55459911.

It is an interprime number because it is at equal distance from previous prime (11995453) and next prime (11995457).

It is not a de Polignac number, because 11995455 - 2¹ = 11995453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11995453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23266 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (1270134).

Almost surely, 2^11995455 is an apocalyptic number.

11995455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11995455 is a deficient number, since it is larger than the sum of its proper divisors (8326689).

11995455 is a wasteful number, since it uses less digits than its factorization.

11995455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47066.

The product of its digits is 40500, while the sum is 39.

The square root of 11995455 is about 3463.4455387663. The cubic root of 11995455 is about 228.9139408261.

The spelling of 11995455 in words is "eleven million, nine hundred ninety-five thousand, four hundred fifty-five".