11452155 has 64 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 4838400.

The previous prime is 11452153. The next prime is 11452171. The reversal of 11452155 is 55125411.

11452155 = T₂₂₁ + T₂₂₂ + ... + T₄₂₉.

It is not a de Polignac number, because 11452155 - 2¹ = 11452153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11452153) 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, 40615 + ... + 40895.

It is an arithmetic number, because the mean of its divisors is an integer number (355320).

Almost surely, 2^11452155 is an apocalyptic number.

11452155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11452155 is a deficient number, since it is larger than the sum of its proper divisors (11288325).

11452155 is a wasteful number, since it uses less digits than its factorization.

11452155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its digits is 1000, while the sum is 24.

The square root of 11452155 is about 3384.1032785658. The cubic root of 11452155 is about 225.4044084948.

Adding to 11452155 its reverse (55125411), we get a palindrome (66577566).

The spelling of 11452155 in words is "eleven million, four hundred fifty-two thousand, one hundred fifty-five".