11473155 has 12 divisors (see below), whose sum is σ = 19886880. Its totient is φ = 6118992.

The previous prime is 11473151. The next prime is 11473157. The reversal of 11473155 is 55137411.

It is not a de Polignac number, because 11473155 - 2² = 11473151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11473151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127435 + ... + 127524.

It is an arithmetic number, because the mean of its divisors is an integer number (1657240).

Almost surely, 2^11473155 is an apocalyptic number.

11473155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11473155 is a deficient number, since it is larger than the sum of its proper divisors (8413725).

11473155 is a wasteful number, since it uses less digits than its factorization.

11473155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254970 (or 254967 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 11473155 is about 3387.2045996662. The cubic root of 11473155 is about 225.5421002576.

It can be divided in two parts, 11473 and 155, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 11473155 in words is "eleven million, four hundred seventy-three thousand, one hundred fifty-five".